8190120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:666

約数の個数: 64

約数和(自身を含む): 24805440

約数和(自身を除く): 16615320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 521, 524, 655, 786, 1042, 1048, 1310, 1563, 1572, 1965, 2084, 2605, 2620, 3126, 3144, 3930, 4168, 5210, 5240, 6252, 7815, 7860, 10420, 12504, 15630, 15720, 20840, 31260, 62520, 68251, 136502, 204753, 273004, 341255, 409506, 546008, 682510, 819012, 1023765, 1365020, 1638024, 2047530, 2730040, 4095060, 8190120]

約数ペア:

[(1, 8190120), (2, 4095060), (3, 2730040), (4, 2047530), (5, 1638024), (6, 1365020), (8, 1023765), (10, 819012), (12, 682510), (15, 546008), (20, 409506), (24, 341255), (30, 273004), (40, 204753), (60, 136502), (120, 68251), (131, 62520), (262, 31260), (393, 20840), (521, 15720), (524, 15630), (655, 12504), (786, 10420), (1042, 7860), (1048, 7815), (1310, 6252), (1563, 5240), (1572, 5210), (1965, 4168), (2084, 3930), (2605, 3144), (2620, 3126)]