168458960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67927}}^1$

素因数の和:67971

約数の個数: 40

約数和(自身を含む): 404307456

約数和(自身を除く): 235848496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 67927, 135854, 271708, 339635, 543416, 679270, 1086832, 1358540, 2105737, 2717080, 4211474, 5434160, 8422948, 10528685, 16845896, 21057370, 33691792, 42114740, 84229480, 168458960]

約数ペア:

[(1, 168458960), (2, 84229480), (4, 42114740), (5, 33691792), (8, 21057370), (10, 16845896), (16, 10528685), (20, 8422948), (31, 5434160), (40, 4211474), (62, 2717080), (80, 2105737), (124, 1358540), (155, 1086832), (248, 679270), (310, 543416), (496, 339635), (620, 271708), (1240, 135854), (2480, 67927)]