15902180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1171}}^1$

素因数の和:1284

約数の個数: 48

約数和(自身を含む): 38591616

約数和(自身を除く): 22689436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1171, 1358, 1940, 2342, 2716, 3395, 4684, 5855, 6790, 8197, 11710, 13580, 16394, 23420, 32788, 40985, 81970, 113587, 163940, 227174, 454348, 567935, 795109, 1135870, 1590218, 2271740, 3180436, 3975545, 7951090, 15902180]

約数ペア:

[(1, 15902180), (2, 7951090), (4, 3975545), (5, 3180436), (7, 2271740), (10, 1590218), (14, 1135870), (20, 795109), (28, 567935), (35, 454348), (70, 227174), (97, 163940), (140, 113587), (194, 81970), (388, 40985), (485, 32788), (679, 23420), (970, 16394), (1171, 13580), (1358, 11710), (1940, 8197), (2342, 6790), (2716, 5855), (3395, 4684)]