12855080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1481}}^1$

素因数の和:1530

約数の個数: 64

約数和(自身を含む): 34145280

約数和(自身を除く): 21290200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1481, 1736, 2170, 2962, 4340, 5924, 7405, 8680, 10367, 11848, 14810, 20734, 29620, 41468, 45911, 51835, 59240, 82936, 91822, 103670, 183644, 207340, 229555, 321377, 367288, 414680, 459110, 642754, 918220, 1285508, 1606885, 1836440, 2571016, 3213770, 6427540, 12855080]

約数ペア:

[(1, 12855080), (2, 6427540), (4, 3213770), (5, 2571016), (7, 1836440), (8, 1606885), (10, 1285508), (14, 918220), (20, 642754), (28, 459110), (31, 414680), (35, 367288), (40, 321377), (56, 229555), (62, 207340), (70, 183644), (124, 103670), (140, 91822), (155, 82936), (217, 59240), (248, 51835), (280, 45911), (310, 41468), (434, 29620), (620, 20734), (868, 14810), (1085, 11848), (1240, 10367), (1481, 8680), (1736, 7405), (2170, 5924), (2962, 4340)]