158780320

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{26821}}^1$

素因数の和:26873

約数の個数: 48

約数和(自身を含む): 385271208

約数和(自身を除く): 226490888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 5920, 26821, 53642, 107284, 134105, 214568, 268210, 429136, 536420, 858272, 992377, 1072840, 1984754, 2145680, 3969508, 4291360, 4961885, 7939016, 9923770, 15878032, 19847540, 31756064, 39695080, 79390160, 158780320]

約数ペア:

[(1, 158780320), (2, 79390160), (4, 39695080), (5, 31756064), (8, 19847540), (10, 15878032), (16, 9923770), (20, 7939016), (32, 4961885), (37, 4291360), (40, 3969508), (74, 2145680), (80, 1984754), (148, 1072840), (160, 992377), (185, 858272), (296, 536420), (370, 429136), (592, 268210), (740, 214568), (1184, 134105), (1480, 107284), (2960, 53642), (5920, 26821)]