78490260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{18959}}^1$

素因数の和:18997

約数の個数: 72

約数和(自身を含む): 248451840

約数和(自身を除く): 169961580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 18959, 37918, 56877, 75836, 94795, 113754, 170631, 189590, 227508, 284385, 341262, 379180, 436057, 568770, 682524, 853155, 872114, 1137540, 1308171, 1706310, 1744228, 2180285, 2616342, 3412620, 3924513, 4360570, 5232684, 6540855, 7849026, 8721140, 13081710, 15698052, 19622565, 26163420, 39245130, 78490260]

約数ペア:

[(1, 78490260), (2, 39245130), (3, 26163420), (4, 19622565), (5, 15698052), (6, 13081710), (9, 8721140), (10, 7849026), (12, 6540855), (15, 5232684), (18, 4360570), (20, 3924513), (23, 3412620), (30, 2616342), (36, 2180285), (45, 1744228), (46, 1706310), (60, 1308171), (69, 1137540), (90, 872114), (92, 853155), (115, 682524), (138, 568770), (180, 436057), (207, 379180), (230, 341262), (276, 284385), (345, 227508), (414, 189590), (460, 170631), (690, 113754), (828, 94795), (1035, 75836), (1380, 56877), (2070, 37918), (4140, 18959)]