521016720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{310129}}^1$

素因数の和:310152

約数の個数: 80

約数和(自身を含む): 1845893760

約数和(自身を除く): 1324877040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 310129, 620258, 930387, 1240516, 1550645, 1860774, 2170903, 2481032, 3101290, 3721548, 4341806, 4651935, 4962064, 6202580, 6512709, 7443096, 8683612, 9303870, 10854515, 12405160, 13025418, 14886192, 17367224, 18607740, 21709030, 24810320, 26050836, 32563545, 34734448, 37215480, 43418060, 52101672, 65127090, 74430960, 86836120, 104203344, 130254180, 173672240, 260508360, 521016720]

約数ペア:

[(1, 521016720), (2, 260508360), (3, 173672240), (4, 130254180), (5, 104203344), (6, 86836120), (7, 74430960), (8, 65127090), (10, 52101672), (12, 43418060), (14, 37215480), (15, 34734448), (16, 32563545), (20, 26050836), (21, 24810320), (24, 21709030), (28, 18607740), (30, 17367224), (35, 14886192), (40, 13025418), (42, 12405160), (48, 10854515), (56, 9303870), (60, 8683612), (70, 7443096), (80, 6512709), (84, 6202580), (105, 4962064), (112, 4651935), (120, 4341806), (140, 3721548), (168, 3101290), (210, 2481032), (240, 2170903), (280, 1860774), (336, 1550645), (420, 1240516), (560, 930387), (840, 620258), (1680, 310129)]