72955480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{457}}^1$

素因数の和:788

約数の個数: 64

約数和(自身を含む): 177740640

約数和(自身を除く): 104785160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 307, 457, 520, 614, 914, 1228, 1535, 1828, 2285, 2456, 3070, 3656, 3991, 4570, 5941, 6140, 7982, 9140, 11882, 12280, 15964, 18280, 19955, 23764, 29705, 31928, 39910, 47528, 59410, 79820, 118820, 140299, 159640, 237640, 280598, 561196, 701495, 1122392, 1402990, 1823887, 2805980, 3647774, 5611960, 7295548, 9119435, 14591096, 18238870, 36477740, 72955480]

約数ペア:

[(1, 72955480), (2, 36477740), (4, 18238870), (5, 14591096), (8, 9119435), (10, 7295548), (13, 5611960), (20, 3647774), (26, 2805980), (40, 1823887), (52, 1402990), (65, 1122392), (104, 701495), (130, 561196), (260, 280598), (307, 237640), (457, 159640), (520, 140299), (614, 118820), (914, 79820), (1228, 59410), (1535, 47528), (1828, 39910), (2285, 31928), (2456, 29705), (3070, 23764), (3656, 19955), (3991, 18280), (4570, 15964), (5941, 12280), (6140, 11882), (7982, 9140)]