127948160

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6449}}^1$

素因数の和:6499

約数の個数: 64

約数和(自身を含む): 315792000

約数和(自身を除く): 187843840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 6449, 9920, 12898, 19840, 25796, 32245, 51592, 64490, 103184, 128980, 199919, 206368, 257960, 399838, 412736, 515920, 799676, 825472, 999595, 1031840, 1599352, 1999190, 2063680, 3198704, 3998380, 4127360, 6397408, 7996760, 12794816, 15993520, 25589632, 31987040, 63974080, 127948160]

約数ペア:

[(1, 127948160), (2, 63974080), (4, 31987040), (5, 25589632), (8, 15993520), (10, 12794816), (16, 7996760), (20, 6397408), (31, 4127360), (32, 3998380), (40, 3198704), (62, 2063680), (64, 1999190), (80, 1599352), (124, 1031840), (128, 999595), (155, 825472), (160, 799676), (248, 515920), (310, 412736), (320, 399838), (496, 257960), (620, 206368), (640, 199919), (992, 128980), (1240, 103184), (1984, 64490), (2480, 51592), (3968, 32245), (4960, 25796), (6449, 19840), (9920, 12898)]