64482740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{1481}}^1$

素因数の和:1808

約数の個数: 48

約数和(自身を含む): 155361024

約数和(自身を除く): 90878284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 311, 622, 1244, 1481, 1555, 2177, 2962, 3110, 4354, 5924, 6220, 7405, 8708, 10367, 10885, 14810, 20734, 21770, 29620, 41468, 43540, 51835, 103670, 207340, 460591, 921182, 1842364, 2302955, 3224137, 4605910, 6448274, 9211820, 12896548, 16120685, 32241370, 64482740]

約数ペア:

[(1, 64482740), (2, 32241370), (4, 16120685), (5, 12896548), (7, 9211820), (10, 6448274), (14, 4605910), (20, 3224137), (28, 2302955), (35, 1842364), (70, 921182), (140, 460591), (311, 207340), (622, 103670), (1244, 51835), (1481, 43540), (1555, 41468), (2177, 29620), (2962, 21770), (3110, 20734), (4354, 14810), (5924, 10885), (6220, 10367), (7405, 8708)]