81378870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{40487}}^1$

素因数の和:40564

約数の個数: 32

約数和(自身を含む): 198229248

約数和(自身を除く): 116850378

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 40487, 80974, 121461, 202435, 242922, 404870, 607305, 1214610, 2712629, 5425258, 8137887, 13563145, 16275774, 27126290, 40689435, 81378870]

約数ペア:

[(1, 81378870), (2, 40689435), (3, 27126290), (5, 16275774), (6, 13563145), (10, 8137887), (15, 5425258), (30, 2712629), (67, 1214610), (134, 607305), (201, 404870), (335, 242922), (402, 202435), (670, 121461), (1005, 80974), (2010, 40487)]