72538960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3671}}^1$

素因数の和:3716

約数の個数: 80

約数和(自身を含む): 191237760

約数和(自身を除く): 118698800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3671, 3952, 4940, 7342, 9880, 14684, 18355, 19760, 29368, 36710, 47723, 58736, 69749, 73420, 95446, 139498, 146840, 190892, 238615, 278996, 293680, 348745, 381784, 477230, 557992, 697490, 763568, 906737, 954460, 1115984, 1394980, 1813474, 1908920, 2789960, 3626948, 3817840, 4533685, 5579920, 7253896, 9067370, 14507792, 18134740, 36269480, 72538960]

約数ペア:

[(1, 72538960), (2, 36269480), (4, 18134740), (5, 14507792), (8, 9067370), (10, 7253896), (13, 5579920), (16, 4533685), (19, 3817840), (20, 3626948), (26, 2789960), (38, 1908920), (40, 1813474), (52, 1394980), (65, 1115984), (76, 954460), (80, 906737), (95, 763568), (104, 697490), (130, 557992), (152, 477230), (190, 381784), (208, 348745), (247, 293680), (260, 278996), (304, 238615), (380, 190892), (494, 146840), (520, 139498), (760, 95446), (988, 73420), (1040, 69749), (1235, 58736), (1520, 47723), (1976, 36710), (2470, 29368), (3671, 19760), (3952, 18355), (4940, 14684), (7342, 9880)]