81904380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59351}}^1$

素因数の和:59386

約数の個数: 48

約数和(自身を含む): 239307264

約数和(自身を除く): 157402884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 59351, 118702, 178053, 237404, 296755, 356106, 593510, 712212, 890265, 1187020, 1365073, 1780530, 2730146, 3561060, 4095219, 5460292, 6825365, 8190438, 13650730, 16380876, 20476095, 27301460, 40952190, 81904380]

約数ペア:

[(1, 81904380), (2, 40952190), (3, 27301460), (4, 20476095), (5, 16380876), (6, 13650730), (10, 8190438), (12, 6825365), (15, 5460292), (20, 4095219), (23, 3561060), (30, 2730146), (46, 1780530), (60, 1365073), (69, 1187020), (92, 890265), (115, 712212), (138, 593510), (230, 356106), (276, 296755), (345, 237404), (460, 178053), (690, 118702), (1380, 59351)]