31813680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1867}}^1$

素因数の和:1954

約数の個数: 80

約数和(自身を含む): 100065024

約数和(自身を除く): 68251344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 80, 120, 142, 213, 240, 284, 355, 426, 568, 710, 852, 1065, 1136, 1420, 1704, 1867, 2130, 2840, 3408, 3734, 4260, 5601, 5680, 7468, 8520, 9335, 11202, 14936, 17040, 18670, 22404, 28005, 29872, 37340, 44808, 56010, 74680, 89616, 112020, 132557, 149360, 224040, 265114, 397671, 448080, 530228, 662785, 795342, 1060456, 1325570, 1590684, 1988355, 2120912, 2651140, 3181368, 3976710, 5302280, 6362736, 7953420, 10604560, 15906840, 31813680]

約数ペア:

[(1, 31813680), (2, 15906840), (3, 10604560), (4, 7953420), (5, 6362736), (6, 5302280), (8, 3976710), (10, 3181368), (12, 2651140), (15, 2120912), (16, 1988355), (20, 1590684), (24, 1325570), (30, 1060456), (40, 795342), (48, 662785), (60, 530228), (71, 448080), (80, 397671), (120, 265114), (142, 224040), (213, 149360), (240, 132557), (284, 112020), (355, 89616), (426, 74680), (568, 56010), (710, 44808), (852, 37340), (1065, 29872), (1136, 28005), (1420, 22404), (1704, 18670), (1867, 17040), (2130, 14936), (2840, 11202), (3408, 9335), (3734, 8520), (4260, 7468), (5601, 5680)]