51198960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{213329}}^1$

素因数の和:213345

約数の個数: 40

約数和(自身を含む): 158717520

約数和(自身を除く): 107518560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 213329, 426658, 639987, 853316, 1066645, 1279974, 1706632, 2133290, 2559948, 3199935, 3413264, 4266580, 5119896, 6399870, 8533160, 10239792, 12799740, 17066320, 25599480, 51198960]

約数ペア:

[(1, 51198960), (2, 25599480), (3, 17066320), (4, 12799740), (5, 10239792), (6, 8533160), (8, 6399870), (10, 5119896), (12, 4266580), (15, 3413264), (16, 3199935), (20, 2559948), (24, 2133290), (30, 1706632), (40, 1279974), (48, 1066645), (60, 853316), (80, 639987), (120, 426658), (240, 213329)]