645756960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{673}}^1\times {\mathrm{1999}}^1$

素因数の和:2690

約数の個数: 96

約数和(自身を含む): 2038176000

約数和(自身を除く): 1392419040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 673, 1346, 1999, 2019, 2692, 3365, 3998, 4038, 5384, 5997, 6730, 7996, 8076, 9995, 10095, 10768, 11994, 13460, 15992, 16152, 19990, 20190, 21536, 23988, 26920, 29985, 31984, 32304, 39980, 40380, 47976, 53840, 59970, 63968, 64608, 79960, 80760, 95952, 107680, 119940, 159920, 161520, 191904, 239880, 319840, 323040, 479760, 959520, 1345327, 2690654, 4035981, 5381308, 6726635, 8071962, 10762616, 13453270, 16143924, 20179905, 21525232, 26906540, 32287848, 40359810, 43050464, 53813080, 64575696, 80719620, 107626160, 129151392, 161439240, 215252320, 322878480, 645756960]

約数ペア:

[(1, 645756960), (2, 322878480), (3, 215252320), (4, 161439240), (5, 129151392), (6, 107626160), (8, 80719620), (10, 64575696), (12, 53813080), (15, 43050464), (16, 40359810), (20, 32287848), (24, 26906540), (30, 21525232), (32, 20179905), (40, 16143924), (48, 13453270), (60, 10762616), (80, 8071962), (96, 6726635), (120, 5381308), (160, 4035981), (240, 2690654), (480, 1345327), (673, 959520), (1346, 479760), (1999, 323040), (2019, 319840), (2692, 239880), (3365, 191904), (3998, 161520), (4038, 159920), (5384, 119940), (5997, 107680), (6730, 95952), (7996, 80760), (8076, 79960), (9995, 64608), (10095, 63968), (10768, 59970), (11994, 53840), (13460, 47976), (15992, 40380), (16152, 39980), (19990, 32304), (20190, 31984), (21536, 29985), (23988, 26920)]