15301240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6271}}^1$

素因数の和:6343

約数の個数: 32

約数和(自身を含む): 34997760

約数和(自身を除く): 19696520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 6271, 12542, 25084, 31355, 50168, 62710, 125420, 250840, 382531, 765062, 1530124, 1912655, 3060248, 3825310, 7650620, 15301240]

約数ペア:

[(1, 15301240), (2, 7650620), (4, 3825310), (5, 3060248), (8, 1912655), (10, 1530124), (20, 765062), (40, 382531), (61, 250840), (122, 125420), (244, 62710), (305, 50168), (488, 31355), (610, 25084), (1220, 12542), (2440, 6271)]