51772860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6689}}^1$

素因数の和:6747

約数の個数: 72

約数和(自身を含む): 160720560

約数和(自身を除く): 108947700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 6689, 7740, 13378, 20067, 26756, 33445, 40134, 60201, 66890, 80268, 100335, 120402, 133780, 200670, 240804, 287627, 301005, 401340, 575254, 602010, 862881, 1150508, 1204020, 1438135, 1725762, 2588643, 2876270, 3451524, 4314405, 5177286, 5752540, 8628810, 10354572, 12943215, 17257620, 25886430, 51772860]

約数ペア:

[(1, 51772860), (2, 25886430), (3, 17257620), (4, 12943215), (5, 10354572), (6, 8628810), (9, 5752540), (10, 5177286), (12, 4314405), (15, 3451524), (18, 2876270), (20, 2588643), (30, 1725762), (36, 1438135), (43, 1204020), (45, 1150508), (60, 862881), (86, 602010), (90, 575254), (129, 401340), (172, 301005), (180, 287627), (215, 240804), (258, 200670), (387, 133780), (430, 120402), (516, 100335), (645, 80268), (774, 66890), (860, 60201), (1290, 40134), (1548, 33445), (1935, 26756), (2580, 20067), (3870, 13378), (6689, 7740)]