18115160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2087}}^1$

素因数の和:2136

約数の個数: 64

約数和(自身を含む): 48107520

約数和(自身を除く): 29992360

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, 1736, 2087, 2170, 4174, 4340, 8348, 8680, 10435, 14609, 16696, 20870, 29218, 41740, 58436, 64697, 73045, 83480, 116872, 129394, 146090, 258788, 292180, 323485, 452879, 517576, 584360, 646970, 905758, 1293940, 1811516, 2264395, 2587880, 3623032, 4528790, 9057580, 18115160]

約数ペア:

[(1, 18115160), (2, 9057580), (4, 4528790), (5, 3623032), (7, 2587880), (8, 2264395), (10, 1811516), (14, 1293940), (20, 905758), (28, 646970), (31, 584360), (35, 517576), (40, 452879), (56, 323485), (62, 292180), (70, 258788), (124, 146090), (140, 129394), (155, 116872), (217, 83480), (248, 73045), (280, 64697), (310, 58436), (434, 41740), (620, 29218), (868, 20870), (1085, 16696), (1240, 14609), (1736, 10435), (2087, 8680), (2170, 8348), (4174, 4340)]