68661880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{5981}}^1$

素因数の和:6040

約数の個数: 64

約数和(自身を含む): 180895680

約数和(自身を除く): 112233800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2870, 5740, 5981, 11480, 11962, 23924, 29905, 41867, 47848, 59810, 83734, 119620, 167468, 209335, 239240, 245221, 334936, 418670, 490442, 837340, 980884, 1226105, 1674680, 1716547, 1961768, 2452210, 3433094, 4904420, 6866188, 8582735, 9808840, 13732376, 17165470, 34330940, 68661880]

約数ペア:

[(1, 68661880), (2, 34330940), (4, 17165470), (5, 13732376), (7, 9808840), (8, 8582735), (10, 6866188), (14, 4904420), (20, 3433094), (28, 2452210), (35, 1961768), (40, 1716547), (41, 1674680), (56, 1226105), (70, 980884), (82, 837340), (140, 490442), (164, 418670), (205, 334936), (280, 245221), (287, 239240), (328, 209335), (410, 167468), (574, 119620), (820, 83734), (1148, 59810), (1435, 47848), (1640, 41867), (2296, 29905), (2870, 23924), (5740, 11962), (5981, 11480)]