74618960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{457}}^1$

素因数の和:640

約数の個数: 80

約数和(自身を含む): 188435856

約数和(自身を除く): 113816896

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 157, 208, 260, 314, 457, 520, 628, 785, 914, 1040, 1256, 1570, 1828, 2041, 2285, 2512, 3140, 3656, 4082, 4570, 5941, 6280, 7312, 8164, 9140, 10205, 11882, 12560, 16328, 18280, 20410, 23764, 29705, 32656, 36560, 40820, 47528, 59410, 71749, 81640, 95056, 118820, 143498, 163280, 237640, 286996, 358745, 475280, 573992, 717490, 932737, 1147984, 1434980, 1865474, 2869960, 3730948, 4663685, 5739920, 7461896, 9327370, 14923792, 18654740, 37309480, 74618960]

約数ペア:

[(1, 74618960), (2, 37309480), (4, 18654740), (5, 14923792), (8, 9327370), (10, 7461896), (13, 5739920), (16, 4663685), (20, 3730948), (26, 2869960), (40, 1865474), (52, 1434980), (65, 1147984), (80, 932737), (104, 717490), (130, 573992), (157, 475280), (208, 358745), (260, 286996), (314, 237640), (457, 163280), (520, 143498), (628, 118820), (785, 95056), (914, 81640), (1040, 71749), (1256, 59410), (1570, 47528), (1828, 40820), (2041, 36560), (2285, 32656), (2512, 29705), (3140, 23764), (3656, 20410), (4082, 18280), (4570, 16328), (5941, 12560), (6280, 11882), (7312, 10205), (8164, 9140)]