72957220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{8543}}^1$

素因数の和:8620

約数の個数: 48

約数和(自身を含む): 177988608

約数和(自身を除く): 105031388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 8543, 17086, 34172, 42715, 59801, 85430, 119602, 170860, 239204, 299005, 521123, 598010, 1042246, 1196020, 2084492, 2605615, 3647861, 5211230, 7295722, 10422460, 14591444, 18239305, 36478610, 72957220]

約数ペア:

[(1, 72957220), (2, 36478610), (4, 18239305), (5, 14591444), (7, 10422460), (10, 7295722), (14, 5211230), (20, 3647861), (28, 2605615), (35, 2084492), (61, 1196020), (70, 1042246), (122, 598010), (140, 521123), (244, 299005), (305, 239204), (427, 170860), (610, 119602), (854, 85430), (1220, 59801), (1708, 42715), (2135, 34172), (4270, 17086), (8540, 8543)]