281125830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1\times {\mathrm{569}}^1$

素因数の和:1005

約数の個数: 64

約数和(自身を含む): 693411840

約数和(自身を除く): 412286010

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 383, 430, 569, 645, 766, 1138, 1149, 1290, 1707, 1915, 2298, 2845, 3414, 3830, 5690, 5745, 8535, 11490, 16469, 17070, 24467, 32938, 48934, 49407, 73401, 82345, 98814, 122335, 146802, 164690, 217927, 244670, 247035, 367005, 435854, 494070, 653781, 734010, 1089635, 1307562, 2179270, 3268905, 6537810, 9370861, 18741722, 28112583, 46854305, 56225166, 93708610, 140562915, 281125830]

約数ペア:

[(1, 281125830), (2, 140562915), (3, 93708610), (5, 56225166), (6, 46854305), (10, 28112583), (15, 18741722), (30, 9370861), (43, 6537810), (86, 3268905), (129, 2179270), (215, 1307562), (258, 1089635), (383, 734010), (430, 653781), (569, 494070), (645, 435854), (766, 367005), (1138, 247035), (1149, 244670), (1290, 217927), (1707, 164690), (1915, 146802), (2298, 122335), (2845, 98814), (3414, 82345), (3830, 73401), (5690, 49407), (5745, 48934), (8535, 32938), (11490, 24467), (16469, 17070)]