59919920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:610

約数の個数: 80

約数和(自身を含む): 148800000

約数和(自身を除く): 88880080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 79, 80, 95, 152, 158, 190, 304, 316, 380, 395, 499, 632, 760, 790, 998, 1264, 1501, 1520, 1580, 1996, 2495, 3002, 3160, 3992, 4990, 6004, 6320, 7505, 7984, 9481, 9980, 12008, 15010, 18962, 19960, 24016, 30020, 37924, 39421, 39920, 47405, 60040, 75848, 78842, 94810, 120080, 151696, 157684, 189620, 197105, 315368, 379240, 394210, 630736, 748999, 758480, 788420, 1497998, 1576840, 2995996, 3153680, 3744995, 5991992, 7489990, 11983984, 14979980, 29959960, 59919920]

約数ペア:

[(1, 59919920), (2, 29959960), (4, 14979980), (5, 11983984), (8, 7489990), (10, 5991992), (16, 3744995), (19, 3153680), (20, 2995996), (38, 1576840), (40, 1497998), (76, 788420), (79, 758480), (80, 748999), (95, 630736), (152, 394210), (158, 379240), (190, 315368), (304, 197105), (316, 189620), (380, 157684), (395, 151696), (499, 120080), (632, 94810), (760, 78842), (790, 75848), (998, 60040), (1264, 47405), (1501, 39920), (1520, 39421), (1580, 37924), (1996, 30020), (2495, 24016), (3002, 19960), (3160, 18962), (3992, 15010), (4990, 12008), (6004, 9980), (6320, 9481), (7505, 7984)]