158556920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{2579}}^1$

素因数の和:2672

約数の個数: 64

約数和(自身を含む): 376164000

約数和(自身を除く): 217607080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 53, 58, 106, 116, 145, 212, 232, 265, 290, 424, 530, 580, 1060, 1160, 1537, 2120, 2579, 3074, 5158, 6148, 7685, 10316, 12296, 12895, 15370, 20632, 25790, 30740, 51580, 61480, 74791, 103160, 136687, 149582, 273374, 299164, 373955, 546748, 598328, 683435, 747910, 1093496, 1366870, 1495820, 2733740, 2991640, 3963923, 5467480, 7927846, 15855692, 19819615, 31711384, 39639230, 79278460, 158556920]

約数ペア:

[(1, 158556920), (2, 79278460), (4, 39639230), (5, 31711384), (8, 19819615), (10, 15855692), (20, 7927846), (29, 5467480), (40, 3963923), (53, 2991640), (58, 2733740), (106, 1495820), (116, 1366870), (145, 1093496), (212, 747910), (232, 683435), (265, 598328), (290, 546748), (424, 373955), (530, 299164), (580, 273374), (1060, 149582), (1160, 136687), (1537, 103160), (2120, 74791), (2579, 61480), (3074, 51580), (5158, 30740), (6148, 25790), (7685, 20632), (10316, 15370), (12296, 12895)]