129001640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{631}}^1$

素因数の和:930

約数の個数: 64

約数和(自身を含む): 307152000

約数和(自身を除く): 178150360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 269, 380, 538, 631, 760, 1076, 1262, 1345, 2152, 2524, 2690, 3155, 5048, 5111, 5380, 6310, 10222, 10760, 11989, 12620, 20444, 23978, 25240, 25555, 40888, 47956, 51110, 59945, 95912, 102220, 119890, 169739, 204440, 239780, 339478, 479560, 678956, 848695, 1357912, 1697390, 3225041, 3394780, 6450082, 6789560, 12900164, 16125205, 25800328, 32250410, 64500820, 129001640]

約数ペア:

[(1, 129001640), (2, 64500820), (4, 32250410), (5, 25800328), (8, 16125205), (10, 12900164), (19, 6789560), (20, 6450082), (38, 3394780), (40, 3225041), (76, 1697390), (95, 1357912), (152, 848695), (190, 678956), (269, 479560), (380, 339478), (538, 239780), (631, 204440), (760, 169739), (1076, 119890), (1262, 102220), (1345, 95912), (2152, 59945), (2524, 51110), (2690, 47956), (3155, 40888), (5048, 25555), (5111, 25240), (5380, 23978), (6310, 20444), (10222, 12620), (10760, 11989)]