15906840

素因数分解:

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

素因数の和:1952

約数の個数: 64

約数和(自身を含む): 48418560

約数和(自身を除く): 32511720

約数列:

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

約数ペア:

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