80433780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{191509}}^1$

素因数の和:191528

約数の個数: 48

約数和(自身を含む): 257389440

約数和(自身を除く): 176955660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 191509, 383018, 574527, 766036, 957545, 1149054, 1340563, 1915090, 2298108, 2681126, 2872635, 3830180, 4021689, 5362252, 5745270, 6702815, 8043378, 11490540, 13405630, 16086756, 20108445, 26811260, 40216890, 80433780]

約数ペア:

[(1, 80433780), (2, 40216890), (3, 26811260), (4, 20108445), (5, 16086756), (6, 13405630), (7, 11490540), (10, 8043378), (12, 6702815), (14, 5745270), (15, 5362252), (20, 4021689), (21, 3830180), (28, 2872635), (30, 2681126), (35, 2298108), (42, 1915090), (60, 1340563), (70, 1149054), (84, 957545), (105, 766036), (140, 574527), (210, 383018), (420, 191509)]