80250660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{63691}}^1$

素因数の和:63713

約数の個数: 72

約数和(自身を含む): 278206656

約数和(自身を除く): 197955996

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 63691, 127382, 191073, 254764, 318455, 382146, 445837, 573219, 636910, 764292, 891674, 955365, 1146438, 1273820, 1337511, 1783348, 1910730, 2229185, 2292876, 2675022, 2866095, 3821460, 4012533, 4458370, 5350044, 5732190, 6687555, 8025066, 8916740, 11464380, 13375110, 16050132, 20062665, 26750220, 40125330, 80250660]

約数ペア:

[(1, 80250660), (2, 40125330), (3, 26750220), (4, 20062665), (5, 16050132), (6, 13375110), (7, 11464380), (9, 8916740), (10, 8025066), (12, 6687555), (14, 5732190), (15, 5350044), (18, 4458370), (20, 4012533), (21, 3821460), (28, 2866095), (30, 2675022), (35, 2292876), (36, 2229185), (42, 1910730), (45, 1783348), (60, 1337511), (63, 1273820), (70, 1146438), (84, 955365), (90, 891674), (105, 764292), (126, 636910), (140, 573219), (180, 445837), (210, 382146), (252, 318455), (315, 254764), (420, 191073), (630, 127382), (1260, 63691)]