30720708

素因数分解:

$2^2\times 3^4\times {\mathrm{53}}^1\times {\mathrm{1789}}^1$

素因数の和:1858

約数の個数: 60

約数和(自身を含む): 81871020

約数和(自身を除く): 51150312

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 53, 54, 81, 106, 108, 159, 162, 212, 318, 324, 477, 636, 954, 1431, 1789, 1908, 2862, 3578, 4293, 5367, 5724, 7156, 8586, 10734, 16101, 17172, 21468, 32202, 48303, 64404, 94817, 96606, 144909, 189634, 193212, 284451, 289818, 379268, 568902, 579636, 853353, 1137804, 1706706, 2560059, 3413412, 5120118, 7680177, 10240236, 15360354, 30720708]

約数ペア:

[(1, 30720708), (2, 15360354), (3, 10240236), (4, 7680177), (6, 5120118), (9, 3413412), (12, 2560059), (18, 1706706), (27, 1137804), (36, 853353), (53, 579636), (54, 568902), (81, 379268), (106, 289818), (108, 284451), (159, 193212), (162, 189634), (212, 144909), (318, 96606), (324, 94817), (477, 64404), (636, 48303), (954, 32202), (1431, 21468), (1789, 17172), (1908, 16101), (2862, 10734), (3578, 8586), (4293, 7156), (5367, 5724)]