81253680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{4079}}^1$

素因数の和:4178

約数の個数: 80

約数和(自身を含む): 254983680

約数和(自身を除く): 173730000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 83, 120, 166, 240, 249, 332, 415, 498, 664, 830, 996, 1245, 1328, 1660, 1992, 2490, 3320, 3984, 4079, 4980, 6640, 8158, 9960, 12237, 16316, 19920, 20395, 24474, 32632, 40790, 48948, 61185, 65264, 81580, 97896, 122370, 163160, 195792, 244740, 326320, 338557, 489480, 677114, 978960, 1015671, 1354228, 1692785, 2031342, 2708456, 3385570, 4062684, 5078355, 5416912, 6771140, 8125368, 10156710, 13542280, 16250736, 20313420, 27084560, 40626840, 81253680]

約数ペア:

[(1, 81253680), (2, 40626840), (3, 27084560), (4, 20313420), (5, 16250736), (6, 13542280), (8, 10156710), (10, 8125368), (12, 6771140), (15, 5416912), (16, 5078355), (20, 4062684), (24, 3385570), (30, 2708456), (40, 2031342), (48, 1692785), (60, 1354228), (80, 1015671), (83, 978960), (120, 677114), (166, 489480), (240, 338557), (249, 326320), (332, 244740), (415, 195792), (498, 163160), (664, 122370), (830, 97896), (996, 81580), (1245, 65264), (1328, 61185), (1660, 48948), (1992, 40790), (2490, 32632), (3320, 24474), (3984, 20395), (4079, 19920), (4980, 16316), (6640, 12237), (8158, 9960)]