208041660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{2609}}^1$

素因数の和:3067

約数の個数: 72

約数和(自身を含む): 632726640

約数和(自身を除く): 424684980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 443, 886, 1329, 1772, 2215, 2609, 2658, 3987, 4430, 5218, 5316, 6645, 7827, 7974, 8860, 10436, 13045, 13290, 15654, 15948, 19935, 23481, 26090, 26580, 31308, 39135, 39870, 46962, 52180, 78270, 79740, 93924, 117405, 156540, 234810, 469620, 1155787, 2311574, 3467361, 4623148, 5778935, 6934722, 10402083, 11557870, 13869444, 17336805, 20804166, 23115740, 34673610, 41608332, 52010415, 69347220, 104020830, 208041660]

約数ペア:

[(1, 208041660), (2, 104020830), (3, 69347220), (4, 52010415), (5, 41608332), (6, 34673610), (9, 23115740), (10, 20804166), (12, 17336805), (15, 13869444), (18, 11557870), (20, 10402083), (30, 6934722), (36, 5778935), (45, 4623148), (60, 3467361), (90, 2311574), (180, 1155787), (443, 469620), (886, 234810), (1329, 156540), (1772, 117405), (2215, 93924), (2609, 79740), (2658, 78270), (3987, 52180), (4430, 46962), (5218, 39870), (5316, 39135), (6645, 31308), (7827, 26580), (7974, 26090), (8860, 23481), (10436, 19935), (13045, 15948), (13290, 15654)]