90755560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1697}}^1$

素因数の和:1906

約数の個数: 64

約数和(自身を含む): 234731520

約数和(自身を除く): 143975960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 191, 280, 382, 764, 955, 1337, 1528, 1697, 1910, 2674, 3394, 3820, 5348, 6685, 6788, 7640, 8485, 10696, 11879, 13370, 13576, 16970, 23758, 26740, 33940, 47516, 53480, 59395, 67880, 95032, 118790, 237580, 324127, 475160, 648254, 1296508, 1620635, 2268889, 2593016, 3241270, 4537778, 6482540, 9075556, 11344445, 12965080, 18151112, 22688890, 45377780, 90755560]

約数ペア:

[(1, 90755560), (2, 45377780), (4, 22688890), (5, 18151112), (7, 12965080), (8, 11344445), (10, 9075556), (14, 6482540), (20, 4537778), (28, 3241270), (35, 2593016), (40, 2268889), (56, 1620635), (70, 1296508), (140, 648254), (191, 475160), (280, 324127), (382, 237580), (764, 118790), (955, 95032), (1337, 67880), (1528, 59395), (1697, 53480), (1910, 47516), (2674, 33940), (3394, 26740), (3820, 23758), (5348, 16970), (6685, 13576), (6788, 13370), (7640, 11879), (8485, 10696)]