57781120

素因数分解:

$2^7\times 5^1\times {\mathrm{137}}^1\times {\mathrm{659}}^1$

素因数の和:815

約数の個数: 64

約数和(自身を含む): 139352400

約数和(自身を除く): 81571280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 274, 320, 548, 640, 659, 685, 1096, 1318, 1370, 2192, 2636, 2740, 3295, 4384, 5272, 5480, 6590, 8768, 10544, 10960, 13180, 17536, 21088, 21920, 26360, 42176, 43840, 52720, 84352, 87680, 90283, 105440, 180566, 210880, 361132, 421760, 451415, 722264, 902830, 1444528, 1805660, 2889056, 3611320, 5778112, 7222640, 11556224, 14445280, 28890560, 57781120]

約数ペア:

[(1, 57781120), (2, 28890560), (4, 14445280), (5, 11556224), (8, 7222640), (10, 5778112), (16, 3611320), (20, 2889056), (32, 1805660), (40, 1444528), (64, 902830), (80, 722264), (128, 451415), (137, 421760), (160, 361132), (274, 210880), (320, 180566), (548, 105440), (640, 90283), (659, 87680), (685, 84352), (1096, 52720), (1318, 43840), (1370, 42176), (2192, 26360), (2636, 21920), (2740, 21088), (3295, 17536), (4384, 13180), (5272, 10960), (5480, 10544), (6590, 8768)]