81545760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{56629}}^1$

素因数の和:56650

約数の個数: 72

約数和(自身を含む): 278279820

約数和(自身を除く): 196734060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 56629, 113258, 169887, 226516, 283145, 339774, 453032, 509661, 566290, 679548, 849435, 906064, 1019322, 1132580, 1359096, 1698870, 1812128, 2038644, 2265160, 2548305, 2718192, 3397740, 4077288, 4530320, 5096610, 5436384, 6795480, 8154576, 9060640, 10193220, 13590960, 16309152, 20386440, 27181920, 40772880, 81545760]

約数ペア:

[(1, 81545760), (2, 40772880), (3, 27181920), (4, 20386440), (5, 16309152), (6, 13590960), (8, 10193220), (9, 9060640), (10, 8154576), (12, 6795480), (15, 5436384), (16, 5096610), (18, 4530320), (20, 4077288), (24, 3397740), (30, 2718192), (32, 2548305), (36, 2265160), (40, 2038644), (45, 1812128), (48, 1698870), (60, 1359096), (72, 1132580), (80, 1019322), (90, 906064), (96, 849435), (120, 679548), (144, 566290), (160, 509661), (180, 453032), (240, 339774), (288, 283145), (360, 226516), (480, 169887), (720, 113258), (1440, 56629)]