A329880 - cp's OEIS frontend

A329880 Numbers k such that the sums of unitary and nonunitary divisors of k have the same set of prime divisors.

n	a(n)
1	24
2	40
3	56
4	76
5	88
6	104
7	108
8	116
9	120
10	136
11	152
12	168
13	184
14	228
15	232
16	236
17	248
18	261
19	264
20	280
21	296
22	312
23	316
24	328
25	342
26	344
27	348
28	356
29	376
30	380
31	408
32	424
33	436
34	440
35	456
36	472
37	488
38	520
39	522
40	531
41	532
42	536
43	540
44	552
45	556
46	568
47	580
48	584
49	596
50	616
51	632
52	664
53	680

[24, 40, 56, 76, 88, 104, 108, 116, 120, 136, 152, 168, 184, 228, 232, 236, 248, 261, 264, 280, 296, 312, 316, 328, 342, 344, 348, 356, 376, 380, 408, 424, 436, 440, 456, 472, 488, 520, 522, 531, 532, 536, 540, 552, 556, 568, 580, 584, 596, 616, 632, 664, 680]

cp's OEIS Frontend

A329880 Numbers k such that the sums of unitary and nonunitary divisors of k have the same set of prime divisors.

Table of values

List of values

n	a(n)
1	24
2	40
3	56
4	76
5	88
6	104
7	108
8	116
9	120
10	136
11	152
12	168
13	184
14	228
15	232
16	236
17	248
18	261
19	264
20	280
21	296
22	312
23	316
24	328
25	342
26	344
27	348
28	356
29	376
30	380
31	408
32	424
33	436
34	440
35	456
36	472
37	488
38	520
39	522
40	531
41	532
42	536
43	540
44	552
45	556
46	568
47	580
48	584
49	596
50	616
51	632
52	664
53	680

n	a(n)
1	24
2	40
3	56
4	76
5	88
6	104
7	108
8	116
9	120
10	136
11	152
12	168
13	184
14	228
15	232
16	236
17	248
18	261
19	264
20	280
21	296
22	312
23	316
24	328
25	342
26	344
27	348
28	356
29	376
30	380
31	408
32	424
33	436
34	440
35	456
36	472
37	488
38	520
39	522
40	531
41	532
42	536
43	540
44	552
45	556
46	568
47	580
48	584
49	596
50	616
51	632
52	664
53	680

n	a(n)
1	24
2	40
3	56
4	76
5	88
6	104
7	108
8	116
9	120
10	136
11	152
12	168
13	184
14	228
15	232
16	236
17	248
18	261
19	264
20	280
21	296
22	312
23	316
24	328
25	342
26	344
27	348
28	356
29	376
30	380
31	408
32	424
33	436
34	440
35	456
36	472
37	488
38	520
39	522
40	531
41	532
42	536
43	540
44	552
45	556
46	568
47	580
48	584
49	596
50	616
51	632
52	664
53	680