1251693840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{2609}}^1$

素因数の和:4624

約数の個数: 80

約数和(自身を含む): 3883680000

約数和(自身を除く): 2631986160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1999, 2609, 3998, 5218, 5997, 7827, 7996, 9995, 10436, 11994, 13045, 15654, 15992, 19990, 20872, 23988, 26090, 29985, 31308, 31984, 39135, 39980, 41744, 47976, 52180, 59970, 62616, 78270, 79960, 95952, 104360, 119940, 125232, 156540, 159920, 208720, 239880, 313080, 479760, 626160, 5215391, 10430782, 15646173, 20861564, 26076955, 31292346, 41723128, 52153910, 62584692, 78230865, 83446256, 104307820, 125169384, 156461730, 208615640, 250338768, 312923460, 417231280, 625846920, 1251693840]

約数ペア:

[(1, 1251693840), (2, 625846920), (3, 417231280), (4, 312923460), (5, 250338768), (6, 208615640), (8, 156461730), (10, 125169384), (12, 104307820), (15, 83446256), (16, 78230865), (20, 62584692), (24, 52153910), (30, 41723128), (40, 31292346), (48, 26076955), (60, 20861564), (80, 15646173), (120, 10430782), (240, 5215391), (1999, 626160), (2609, 479760), (3998, 313080), (5218, 239880), (5997, 208720), (7827, 159920), (7996, 156540), (9995, 125232), (10436, 119940), (11994, 104360), (13045, 95952), (15654, 79960), (15992, 78270), (19990, 62616), (20872, 59970), (23988, 52180), (26090, 47976), (29985, 41744), (31308, 39980), (31984, 39135)]