90718160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4591}}^1$

素因数の和:4636

約数の個数: 80

約数和(自身を含む): 239151360

約数和(自身を除く): 148433200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4591, 4940, 9182, 9880, 18364, 19760, 22955, 36728, 45910, 59683, 73456, 87229, 91820, 119366, 174458, 183640, 238732, 298415, 348916, 367280, 436145, 477464, 596830, 697832, 872290, 954928, 1133977, 1193660, 1395664, 1744580, 2267954, 2387320, 3489160, 4535908, 4774640, 5669885, 6978320, 9071816, 11339770, 18143632, 22679540, 45359080, 90718160]

約数ペア:

[(1, 90718160), (2, 45359080), (4, 22679540), (5, 18143632), (8, 11339770), (10, 9071816), (13, 6978320), (16, 5669885), (19, 4774640), (20, 4535908), (26, 3489160), (38, 2387320), (40, 2267954), (52, 1744580), (65, 1395664), (76, 1193660), (80, 1133977), (95, 954928), (104, 872290), (130, 697832), (152, 596830), (190, 477464), (208, 436145), (247, 367280), (260, 348916), (304, 298415), (380, 238732), (494, 183640), (520, 174458), (760, 119366), (988, 91820), (1040, 87229), (1235, 73456), (1520, 59683), (1976, 45910), (2470, 36728), (3952, 22955), (4591, 19760), (4940, 18364), (9182, 9880)]