15186640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{577}}^1$

素因数の和:644

約数の個数: 80

約数和(自身を含む): 41283072

約数和(自身を除く): 26096432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 577, 658, 752, 940, 1154, 1316, 1645, 1880, 2308, 2632, 2885, 3290, 3760, 4039, 4616, 5264, 5770, 6580, 8078, 9232, 11540, 13160, 16156, 20195, 23080, 26320, 27119, 32312, 40390, 46160, 54238, 64624, 80780, 108476, 135595, 161560, 189833, 216952, 271190, 323120, 379666, 433904, 542380, 759332, 949165, 1084760, 1518664, 1898330, 2169520, 3037328, 3796660, 7593320, 15186640]

約数ペア:

[(1, 15186640), (2, 7593320), (4, 3796660), (5, 3037328), (7, 2169520), (8, 1898330), (10, 1518664), (14, 1084760), (16, 949165), (20, 759332), (28, 542380), (35, 433904), (40, 379666), (47, 323120), (56, 271190), (70, 216952), (80, 189833), (94, 161560), (112, 135595), (140, 108476), (188, 80780), (235, 64624), (280, 54238), (329, 46160), (376, 40390), (470, 32312), (560, 27119), (577, 26320), (658, 23080), (752, 20195), (940, 16156), (1154, 13160), (1316, 11540), (1645, 9232), (1880, 8078), (2308, 6580), (2632, 5770), (2885, 5264), (3290, 4616), (3760, 4039)]