245401380

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{64921}}^1$

素因数の和:64946

約数の個数: 96

約数和(自身を含む): 872551680

約数和(自身を除く): 627150300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 64921, 129842, 194763, 259684, 324605, 389526, 454447, 584289, 649210, 779052, 908894, 973815, 1168578, 1298420, 1363341, 1752867, 1817788, 1947630, 2272235, 2337156, 2726682, 2921445, 3505734, 3895260, 4090023, 4544470, 5453364, 5842890, 6816705, 7011468, 8180046, 8764335, 9088940, 11685780, 12270069, 13633410, 16360092, 17528670, 20450115, 24540138, 27266820, 35057340, 40900230, 49080276, 61350345, 81800460, 122700690, 245401380]

約数ペア:

[(1, 245401380), (2, 122700690), (3, 81800460), (4, 61350345), (5, 49080276), (6, 40900230), (7, 35057340), (9, 27266820), (10, 24540138), (12, 20450115), (14, 17528670), (15, 16360092), (18, 13633410), (20, 12270069), (21, 11685780), (27, 9088940), (28, 8764335), (30, 8180046), (35, 7011468), (36, 6816705), (42, 5842890), (45, 5453364), (54, 4544470), (60, 4090023), (63, 3895260), (70, 3505734), (84, 2921445), (90, 2726682), (105, 2337156), (108, 2272235), (126, 1947630), (135, 1817788), (140, 1752867), (180, 1363341), (189, 1298420), (210, 1168578), (252, 973815), (270, 908894), (315, 779052), (378, 649210), (420, 584289), (540, 454447), (630, 389526), (756, 324605), (945, 259684), (1260, 194763), (1890, 129842), (3780, 64921)]