78242920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2713}}^1$

素因数の和:2834

約数の個数: 64

約数和(自身を含む): 203224320

約数和(自身を除く): 124981400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 103, 140, 206, 280, 412, 515, 721, 824, 1030, 1442, 2060, 2713, 2884, 3605, 4120, 5426, 5768, 7210, 10852, 13565, 14420, 18991, 21704, 27130, 28840, 37982, 54260, 75964, 94955, 108520, 151928, 189910, 279439, 379820, 558878, 759640, 1117756, 1397195, 1956073, 2235512, 2794390, 3912146, 5588780, 7824292, 9780365, 11177560, 15648584, 19560730, 39121460, 78242920]

約数ペア:

[(1, 78242920), (2, 39121460), (4, 19560730), (5, 15648584), (7, 11177560), (8, 9780365), (10, 7824292), (14, 5588780), (20, 3912146), (28, 2794390), (35, 2235512), (40, 1956073), (56, 1397195), (70, 1117756), (103, 759640), (140, 558878), (206, 379820), (280, 279439), (412, 189910), (515, 151928), (721, 108520), (824, 94955), (1030, 75964), (1442, 54260), (2060, 37982), (2713, 28840), (2884, 27130), (3605, 21704), (4120, 18991), (5426, 14420), (5768, 13565), (7210, 10852)]