15915760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:410

約数の個数: 80

約数和(自身を含む): 42872256

約数和(自身を除く): 26956496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 97, 112, 140, 194, 280, 293, 388, 485, 560, 586, 679, 776, 970, 1172, 1358, 1465, 1552, 1940, 2051, 2344, 2716, 2930, 3395, 3880, 4102, 4688, 5432, 5860, 6790, 7760, 8204, 10255, 10864, 11720, 13580, 16408, 20510, 23440, 27160, 28421, 32816, 41020, 54320, 56842, 82040, 113684, 142105, 164080, 198947, 227368, 284210, 397894, 454736, 568420, 795788, 994735, 1136840, 1591576, 1989470, 2273680, 3183152, 3978940, 7957880, 15915760]

約数ペア:

[(1, 15915760), (2, 7957880), (4, 3978940), (5, 3183152), (7, 2273680), (8, 1989470), (10, 1591576), (14, 1136840), (16, 994735), (20, 795788), (28, 568420), (35, 454736), (40, 397894), (56, 284210), (70, 227368), (80, 198947), (97, 164080), (112, 142105), (140, 113684), (194, 82040), (280, 56842), (293, 54320), (388, 41020), (485, 32816), (560, 28421), (586, 27160), (679, 23440), (776, 20510), (970, 16408), (1172, 13580), (1358, 11720), (1465, 10864), (1552, 10255), (1940, 8204), (2051, 7760), (2344, 6790), (2716, 5860), (2930, 5432), (3395, 4688), (3880, 4102)]