157570520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1531}}^1$

素因数の和:1656

約数の個数: 64

約数和(自身を含む): 370621440

約数和(自身を除く): 213050920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 83, 124, 155, 166, 248, 310, 332, 415, 620, 664, 830, 1240, 1531, 1660, 2573, 3062, 3320, 5146, 6124, 7655, 10292, 12248, 12865, 15310, 20584, 25730, 30620, 47461, 51460, 61240, 94922, 102920, 127073, 189844, 237305, 254146, 379688, 474610, 508292, 635365, 949220, 1016584, 1270730, 1898440, 2541460, 3939263, 5082920, 7878526, 15757052, 19696315, 31514104, 39392630, 78785260, 157570520]

約数ペア:

[(1, 157570520), (2, 78785260), (4, 39392630), (5, 31514104), (8, 19696315), (10, 15757052), (20, 7878526), (31, 5082920), (40, 3939263), (62, 2541460), (83, 1898440), (124, 1270730), (155, 1016584), (166, 949220), (248, 635365), (310, 508292), (332, 474610), (415, 379688), (620, 254146), (664, 237305), (830, 189844), (1240, 127073), (1531, 102920), (1660, 94922), (2573, 61240), (3062, 51460), (3320, 47461), (5146, 30620), (6124, 25730), (7655, 20584), (10292, 15310), (12248, 12865)]