81754980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{10729}}^1$

素因数の和:10868

約数の個数: 48

約数和(自身を含む): 230737920

約数和(自身を除く): 148982940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 381, 508, 635, 762, 1270, 1524, 1905, 2540, 3810, 7620, 10729, 21458, 32187, 42916, 53645, 64374, 107290, 128748, 160935, 214580, 321870, 643740, 1362583, 2725166, 4087749, 5450332, 6812915, 8175498, 13625830, 16350996, 20438745, 27251660, 40877490, 81754980]

約数ペア:

[(1, 81754980), (2, 40877490), (3, 27251660), (4, 20438745), (5, 16350996), (6, 13625830), (10, 8175498), (12, 6812915), (15, 5450332), (20, 4087749), (30, 2725166), (60, 1362583), (127, 643740), (254, 321870), (381, 214580), (508, 160935), (635, 128748), (762, 107290), (1270, 64374), (1524, 53645), (1905, 42916), (2540, 32187), (3810, 21458), (7620, 10729)]