31881840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1871}}^1$

素因数の和:1958

約数の個数: 80

約数和(自身を含む): 100279296

約数和(自身を除く): 68397456

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, 1871, 2130, 2840, 3408, 3742, 4260, 5613, 5680, 7484, 8520, 9355, 11226, 14968, 17040, 18710, 22452, 28065, 29936, 37420, 44904, 56130, 74840, 89808, 112260, 132841, 149680, 224520, 265682, 398523, 449040, 531364, 664205, 797046, 1062728, 1328410, 1594092, 1992615, 2125456, 2656820, 3188184, 3985230, 5313640, 6376368, 7970460, 10627280, 15940920, 31881840]

約数ペア:

[(1, 31881840), (2, 15940920), (3, 10627280), (4, 7970460), (5, 6376368), (6, 5313640), (8, 3985230), (10, 3188184), (12, 2656820), (15, 2125456), (16, 1992615), (20, 1594092), (24, 1328410), (30, 1062728), (40, 797046), (48, 664205), (60, 531364), (71, 449040), (80, 398523), (120, 265682), (142, 224520), (213, 149680), (240, 132841), (284, 112260), (355, 89808), (426, 74840), (568, 56130), (710, 44904), (852, 37420), (1065, 29936), (1136, 28065), (1420, 22452), (1704, 18710), (1871, 17040), (2130, 14968), (2840, 11226), (3408, 9355), (3742, 8520), (4260, 7484), (5613, 5680)]