1320221045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1867}}^1$

素因数の和:1962

約数の個数: 64

約数和(自身を含む): 1988388864

約数和(自身を除く): 668167819

約数列:

[1, 5, 11, 13, 23, 43, 55, 65, 115, 143, 215, 253, 299, 473, 559, 715, 989, 1265, 1495, 1867, 2365, 2795, 3289, 4945, 6149, 9335, 10879, 12857, 16445, 20537, 24271, 30745, 42941, 54395, 64285, 80281, 102685, 121355, 141427, 214705, 266981, 401405, 472351, 558233, 707135, 883091, 1043653, 1334905, 1846463, 2361755, 2791165, 4415455, 5218265, 6140563, 9232315, 11480183, 20311093, 24004019, 30702815, 57400915, 101555465, 120020095, 264044209, 1320221045]

約数ペア:

[(1, 1320221045), (5, 264044209), (11, 120020095), (13, 101555465), (23, 57400915), (43, 30702815), (55, 24004019), (65, 20311093), (115, 11480183), (143, 9232315), (215, 6140563), (253, 5218265), (299, 4415455), (473, 2791165), (559, 2361755), (715, 1846463), (989, 1334905), (1265, 1043653), (1495, 883091), (1867, 707135), (2365, 558233), (2795, 472351), (3289, 401405), (4945, 266981), (6149, 214705), (9335, 141427), (10879, 121355), (12857, 102685), (16445, 80281), (20537, 64285), (24271, 54395), (30745, 42941)]