131426960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{6343}}^1$

素因数の和:6400

約数の個数: 80

約数和(自身を含む): 358715136

約数和(自身を除く): 227288176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 1036, 1295, 1480, 2072, 2590, 2960, 4144, 5180, 6343, 10360, 12686, 20720, 25372, 31715, 44401, 50744, 63430, 88802, 101488, 126860, 177604, 222005, 234691, 253720, 355208, 444010, 469382, 507440, 710416, 888020, 938764, 1173455, 1642837, 1776040, 1877528, 2346910, 3285674, 3552080, 3755056, 4693820, 6571348, 8214185, 9387640, 13142696, 16428370, 18775280, 26285392, 32856740, 65713480, 131426960]

約数ペア:

[(1, 131426960), (2, 65713480), (4, 32856740), (5, 26285392), (7, 18775280), (8, 16428370), (10, 13142696), (14, 9387640), (16, 8214185), (20, 6571348), (28, 4693820), (35, 3755056), (37, 3552080), (40, 3285674), (56, 2346910), (70, 1877528), (74, 1776040), (80, 1642837), (112, 1173455), (140, 938764), (148, 888020), (185, 710416), (259, 507440), (280, 469382), (296, 444010), (370, 355208), (518, 253720), (560, 234691), (592, 222005), (740, 177604), (1036, 126860), (1295, 101488), (1480, 88802), (2072, 63430), (2590, 50744), (2960, 44401), (4144, 31715), (5180, 25372), (6343, 20720), (10360, 12686)]