31711920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{577}}^1$

素因数の和:822

約数の個数: 80

約数和(自身を含む): 98907360

約数和(自身を除く): 67195440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 229, 240, 458, 577, 687, 916, 1145, 1154, 1374, 1731, 1832, 2290, 2308, 2748, 2885, 3435, 3462, 3664, 4580, 4616, 5496, 5770, 6870, 6924, 8655, 9160, 9232, 10992, 11540, 13740, 13848, 17310, 18320, 23080, 27480, 27696, 34620, 46160, 54960, 69240, 132133, 138480, 264266, 396399, 528532, 660665, 792798, 1057064, 1321330, 1585596, 1981995, 2114128, 2642660, 3171192, 3963990, 5285320, 6342384, 7927980, 10570640, 15855960, 31711920]

約数ペア:

[(1, 31711920), (2, 15855960), (3, 10570640), (4, 7927980), (5, 6342384), (6, 5285320), (8, 3963990), (10, 3171192), (12, 2642660), (15, 2114128), (16, 1981995), (20, 1585596), (24, 1321330), (30, 1057064), (40, 792798), (48, 660665), (60, 528532), (80, 396399), (120, 264266), (229, 138480), (240, 132133), (458, 69240), (577, 54960), (687, 46160), (916, 34620), (1145, 27696), (1154, 27480), (1374, 23080), (1731, 18320), (1832, 17310), (2290, 13848), (2308, 13740), (2748, 11540), (2885, 10992), (3435, 9232), (3462, 9160), (3664, 8655), (4580, 6924), (4616, 6870), (5496, 5770)]