70786620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{821}}^1$

素因数の和:1315

約数の個数: 72

約数和(自身を含む): 215429760

約数和(自身を除く): 144643140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 479, 821, 958, 1437, 1642, 1916, 2395, 2463, 2874, 3284, 4105, 4311, 4790, 4926, 5748, 7185, 7389, 8210, 8622, 9580, 9852, 12315, 14370, 14778, 16420, 17244, 21555, 24630, 28740, 29556, 36945, 43110, 49260, 73890, 86220, 147780, 393259, 786518, 1179777, 1573036, 1966295, 2359554, 3539331, 3932590, 4719108, 5898885, 7078662, 7865180, 11797770, 14157324, 17696655, 23595540, 35393310, 70786620]

約数ペア:

[(1, 70786620), (2, 35393310), (3, 23595540), (4, 17696655), (5, 14157324), (6, 11797770), (9, 7865180), (10, 7078662), (12, 5898885), (15, 4719108), (18, 3932590), (20, 3539331), (30, 2359554), (36, 1966295), (45, 1573036), (60, 1179777), (90, 786518), (180, 393259), (479, 147780), (821, 86220), (958, 73890), (1437, 49260), (1642, 43110), (1916, 36945), (2395, 29556), (2463, 28740), (2874, 24630), (3284, 21555), (4105, 17244), (4311, 16420), (4790, 14778), (4926, 14370), (5748, 12315), (7185, 9852), (7389, 9580), (8210, 8622)]