157811080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18181}}^1$

素因数の和:18230

約数の個数: 64

約数和(自身を含む): 418913280

約数和(自身を除く): 261102200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 18181, 36362, 72724, 90905, 127267, 145448, 181810, 254534, 363620, 509068, 563611, 636335, 727240, 1018136, 1127222, 1272670, 2254444, 2545340, 2818055, 3945277, 4508888, 5090680, 5636110, 7890554, 11272220, 15781108, 19726385, 22544440, 31562216, 39452770, 78905540, 157811080]

約数ペア:

[(1, 157811080), (2, 78905540), (4, 39452770), (5, 31562216), (7, 22544440), (8, 19726385), (10, 15781108), (14, 11272220), (20, 7890554), (28, 5636110), (31, 5090680), (35, 4508888), (40, 3945277), (56, 2818055), (62, 2545340), (70, 2254444), (124, 1272670), (140, 1127222), (155, 1018136), (217, 727240), (248, 636335), (280, 563611), (310, 509068), (434, 363620), (620, 254534), (868, 181810), (1085, 145448), (1240, 127267), (1736, 90905), (2170, 72724), (4340, 36362), (8680, 18181)]