260991036

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{563}}^1$

素因数の和:815

約数の個数: 72

約数和(自身を含む): 673370880

約数和(自身を除く): 412379844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 163, 237, 316, 326, 474, 489, 563, 652, 711, 948, 978, 1126, 1422, 1467, 1689, 1956, 2252, 2844, 2934, 3378, 5067, 5868, 6756, 10134, 12877, 20268, 25754, 38631, 44477, 51508, 77262, 88954, 91769, 115893, 133431, 154524, 177908, 183538, 231786, 266862, 275307, 367076, 400293, 463572, 533724, 550614, 800586, 825921, 1101228, 1601172, 1651842, 3303684, 7249751, 14499502, 21749253, 28999004, 43498506, 65247759, 86997012, 130495518, 260991036]

約数ペア:

[(1, 260991036), (2, 130495518), (3, 86997012), (4, 65247759), (6, 43498506), (9, 28999004), (12, 21749253), (18, 14499502), (36, 7249751), (79, 3303684), (158, 1651842), (163, 1601172), (237, 1101228), (316, 825921), (326, 800586), (474, 550614), (489, 533724), (563, 463572), (652, 400293), (711, 367076), (948, 275307), (978, 266862), (1126, 231786), (1422, 183538), (1467, 177908), (1689, 154524), (1956, 133431), (2252, 115893), (2844, 91769), (2934, 88954), (3378, 77262), (5067, 51508), (5868, 44477), (6756, 38631), (10134, 25754), (12877, 20268)]