145215160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{117109}}^1$

素因数の和:117151

約数の個数: 32

約数和(自身を含む): 337276800

約数和(自身を除く): 192061640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 117109, 234218, 468436, 585545, 936872, 1171090, 2342180, 3630379, 4684360, 7260758, 14521516, 18151895, 29043032, 36303790, 72607580, 145215160]

約数ペア:

[(1, 145215160), (2, 72607580), (4, 36303790), (5, 29043032), (8, 18151895), (10, 14521516), (20, 7260758), (31, 4684360), (40, 3630379), (62, 2342180), (124, 1171090), (155, 936872), (248, 585545), (310, 468436), (620, 234218), (1240, 117109)]