155987000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^3\times {\mathrm{71}}^1$

素因数の和:131

約数の個数: 128

約数和(自身を含む): 400982400

約数和(自身を除く): 244995400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 71, 100, 104, 125, 130, 142, 169, 200, 250, 260, 284, 325, 338, 355, 500, 520, 568, 650, 676, 710, 845, 923, 1000, 1300, 1352, 1420, 1625, 1690, 1775, 1846, 2197, 2600, 2840, 3250, 3380, 3550, 3692, 4225, 4394, 4615, 6500, 6760, 7100, 7384, 8450, 8788, 8875, 9230, 10985, 11999, 13000, 14200, 16900, 17576, 17750, 18460, 21125, 21970, 23075, 23998, 33800, 35500, 36920, 42250, 43940, 46150, 47996, 54925, 59995, 71000, 84500, 87880, 92300, 95992, 109850, 115375, 119990, 155987, 169000, 184600, 219700, 230750, 239980, 274625, 299975, 311974, 439400, 461500, 479960, 549250, 599950, 623948, 779935, 923000, 1098500, 1199900, 1247896, 1499875, 1559870, 2197000, 2399800, 2999750, 3119740, 3899675, 5999500, 6239480, 7799350, 11999000, 15598700, 19498375, 31197400, 38996750, 77993500, 155987000]

約数ペア:

[(1, 155987000), (2, 77993500), (4, 38996750), (5, 31197400), (8, 19498375), (10, 15598700), (13, 11999000), (20, 7799350), (25, 6239480), (26, 5999500), (40, 3899675), (50, 3119740), (52, 2999750), (65, 2399800), (71, 2197000), (100, 1559870), (104, 1499875), (125, 1247896), (130, 1199900), (142, 1098500), (169, 923000), (200, 779935), (250, 623948), (260, 599950), (284, 549250), (325, 479960), (338, 461500), (355, 439400), (500, 311974), (520, 299975), (568, 274625), (650, 239980), (676, 230750), (710, 219700), (845, 184600), (923, 169000), (1000, 155987), (1300, 119990), (1352, 115375), (1420, 109850), (1625, 95992), (1690, 92300), (1775, 87880), (1846, 84500), (2197, 71000), (2600, 59995), (2840, 54925), (3250, 47996), (3380, 46150), (3550, 43940), (3692, 42250), (4225, 36920), (4394, 35500), (4615, 33800), (6500, 23998), (6760, 23075), (7100, 21970), (7384, 21125), (8450, 18460), (8788, 17750), (8875, 17576), (9230, 16900), (10985, 14200), (11999, 13000)]