15521380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3823}}^1$

素因数の和:3868

約数の個数: 48

約数和(自身を含む): 38545920

約数和(自身を除く): 23024540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 3823, 4060, 7646, 15292, 19115, 26761, 38230, 53522, 76460, 107044, 110867, 133805, 221734, 267610, 443468, 535220, 554335, 776069, 1108670, 1552138, 2217340, 3104276, 3880345, 7760690, 15521380]

約数ペア:

[(1, 15521380), (2, 7760690), (4, 3880345), (5, 3104276), (7, 2217340), (10, 1552138), (14, 1108670), (20, 776069), (28, 554335), (29, 535220), (35, 443468), (58, 267610), (70, 221734), (116, 133805), (140, 110867), (145, 107044), (203, 76460), (290, 53522), (406, 38230), (580, 26761), (812, 19115), (1015, 15292), (2030, 7646), (3823, 4060)]