15291080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{563}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 39795840

約数和(自身を除く): 24504760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 563, 679, 776, 970, 1126, 1358, 1940, 2252, 2716, 2815, 3395, 3880, 3941, 4504, 5432, 5630, 6790, 7882, 11260, 13580, 15764, 19705, 22520, 27160, 31528, 39410, 54611, 78820, 109222, 157640, 218444, 273055, 382277, 436888, 546110, 764554, 1092220, 1529108, 1911385, 2184440, 3058216, 3822770, 7645540, 15291080]

約数ペア:

[(1, 15291080), (2, 7645540), (4, 3822770), (5, 3058216), (7, 2184440), (8, 1911385), (10, 1529108), (14, 1092220), (20, 764554), (28, 546110), (35, 436888), (40, 382277), (56, 273055), (70, 218444), (97, 157640), (140, 109222), (194, 78820), (280, 54611), (388, 39410), (485, 31528), (563, 27160), (679, 22520), (776, 19705), (970, 15764), (1126, 13580), (1358, 11260), (1940, 7882), (2252, 6790), (2716, 5630), (2815, 5432), (3395, 4504), (3880, 3941)]