149487680

素因数分解:

$2^6\times 5^1\times {\mathrm{569}}^1\times {\mathrm{821}}^1$

素因数の和:1407

約数の個数: 56

約数和(自身を含む): 357027480

約数和(自身を除く): 207539800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 569, 821, 1138, 1642, 2276, 2845, 3284, 4105, 4552, 5690, 6568, 8210, 9104, 11380, 13136, 16420, 18208, 22760, 26272, 32840, 36416, 45520, 52544, 65680, 91040, 131360, 182080, 262720, 467149, 934298, 1868596, 2335745, 3737192, 4671490, 7474384, 9342980, 14948768, 18685960, 29897536, 37371920, 74743840, 149487680]

約数ペア:

[(1, 149487680), (2, 74743840), (4, 37371920), (5, 29897536), (8, 18685960), (10, 14948768), (16, 9342980), (20, 7474384), (32, 4671490), (40, 3737192), (64, 2335745), (80, 1868596), (160, 934298), (320, 467149), (569, 262720), (821, 182080), (1138, 131360), (1642, 91040), (2276, 65680), (2845, 52544), (3284, 45520), (4105, 36416), (4552, 32840), (5690, 26272), (6568, 22760), (8210, 18208), (9104, 16420), (11380, 13136)]