64724380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{719}}^1$

素因数の和:1378

約数の個数: 48

約数和(自身を含む): 155796480

約数和(自身を除く): 91072100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 643, 719, 1286, 1438, 2572, 2876, 3215, 3595, 4501, 5033, 6430, 7190, 9002, 10066, 12860, 14380, 18004, 20132, 22505, 25165, 45010, 50330, 90020, 100660, 462317, 924634, 1849268, 2311585, 3236219, 4623170, 6472438, 9246340, 12944876, 16181095, 32362190, 64724380]

約数ペア:

[(1, 64724380), (2, 32362190), (4, 16181095), (5, 12944876), (7, 9246340), (10, 6472438), (14, 4623170), (20, 3236219), (28, 2311585), (35, 1849268), (70, 924634), (140, 462317), (643, 100660), (719, 90020), (1286, 50330), (1438, 45010), (2572, 25165), (2876, 22505), (3215, 20132), (3595, 18004), (4501, 14380), (5033, 12860), (6430, 10066), (7190, 9002)]