142760

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:137

約数の個数: 32

約数和(自身を含む): 332640

約数和(自身を除く): 189880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 83, 86, 166, 172, 215, 332, 344, 415, 430, 664, 830, 860, 1660, 1720, 3320, 3569, 7138, 14276, 17845, 28552, 35690, 71380, 142760]

約数ペア:

[(1, 142760), (2, 71380), (4, 35690), (5, 28552), (8, 17845), (10, 14276), (20, 7138), (40, 3569), (43, 3320), (83, 1720), (86, 1660), (166, 860), (172, 830), (215, 664), (332, 430), (344, 415)]