1520678960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{613177}}^1$

素因数の和:613221

約数の個数: 40

約数和(自身を含む): 3649635456

約数和(自身を除く): 2128956496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 613177, 1226354, 2452708, 3065885, 4905416, 6131770, 9810832, 12263540, 19008487, 24527080, 38016974, 49054160, 76033948, 95042435, 152067896, 190084870, 304135792, 380169740, 760339480, 1520678960]

約数ペア:

[(1, 1520678960), (2, 760339480), (4, 380169740), (5, 304135792), (8, 190084870), (10, 152067896), (16, 95042435), (20, 76033948), (31, 49054160), (40, 38016974), (62, 24527080), (80, 19008487), (124, 12263540), (155, 9810832), (248, 6131770), (310, 4905416), (496, 3065885), (620, 2452708), (1240, 1226354), (2480, 613177)]