259675020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131149}}^1$

素因数の和:131175

約数の個数: 72

約数和(自身を含む): 859294800

約数和(自身を除く): 599619780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 131149, 262298, 393447, 524596, 655745, 786894, 1180341, 1311490, 1442639, 1573788, 1967235, 2360682, 2622980, 2885278, 3934470, 4327917, 4721364, 5770556, 5901705, 7213195, 7868940, 8655834, 11803410, 12983751, 14426390, 17311668, 21639585, 23606820, 25967502, 28852780, 43279170, 51935004, 64918755, 86558340, 129837510, 259675020]

約数ペア:

[(1, 259675020), (2, 129837510), (3, 86558340), (4, 64918755), (5, 51935004), (6, 43279170), (9, 28852780), (10, 25967502), (11, 23606820), (12, 21639585), (15, 17311668), (18, 14426390), (20, 12983751), (22, 11803410), (30, 8655834), (33, 7868940), (36, 7213195), (44, 5901705), (45, 5770556), (55, 4721364), (60, 4327917), (66, 3934470), (90, 2885278), (99, 2622980), (110, 2360682), (132, 1967235), (165, 1573788), (180, 1442639), (198, 1311490), (220, 1180341), (330, 786894), (396, 655745), (495, 524596), (660, 393447), (990, 262298), (1980, 131149)]