15386840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{307}}^1$

素因数の和:504

約数の個数: 64

約数和(自身を含む): 39916800

約数和(自身を除く): 24529960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 179, 280, 307, 358, 614, 716, 895, 1228, 1253, 1432, 1535, 1790, 2149, 2456, 2506, 3070, 3580, 4298, 5012, 6140, 6265, 7160, 8596, 10024, 10745, 12280, 12530, 17192, 21490, 25060, 42980, 50120, 54953, 85960, 109906, 219812, 274765, 384671, 439624, 549530, 769342, 1099060, 1538684, 1923355, 2198120, 3077368, 3846710, 7693420, 15386840]

約数ペア:

[(1, 15386840), (2, 7693420), (4, 3846710), (5, 3077368), (7, 2198120), (8, 1923355), (10, 1538684), (14, 1099060), (20, 769342), (28, 549530), (35, 439624), (40, 384671), (56, 274765), (70, 219812), (140, 109906), (179, 85960), (280, 54953), (307, 50120), (358, 42980), (614, 25060), (716, 21490), (895, 17192), (1228, 12530), (1253, 12280), (1432, 10745), (1535, 10024), (1790, 8596), (2149, 7160), (2456, 6265), (2506, 6140), (3070, 5012), (3580, 4298)]