157224560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{63397}}^1$

素因数の和:63441

約数の個数: 40

約数和(自身を含む): 377344896

約数和(自身を除く): 220120336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 63397, 126794, 253588, 316985, 507176, 633970, 1014352, 1267940, 1965307, 2535880, 3930614, 5071760, 7861228, 9826535, 15722456, 19653070, 31444912, 39306140, 78612280, 157224560]

約数ペア:

[(1, 157224560), (2, 78612280), (4, 39306140), (5, 31444912), (8, 19653070), (10, 15722456), (16, 9826535), (20, 7861228), (31, 5071760), (40, 3930614), (62, 2535880), (80, 1965307), (124, 1267940), (155, 1014352), (248, 633970), (310, 507176), (496, 316985), (620, 253588), (1240, 126794), (2480, 63397)]