261567382540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{577}}^1\times {\mathrm{631}}^1\times {\mathrm{2113}}^1$

素因数の和:3347

約数の個数: 96

約数和(自身を含む): 583810222464

約数和(自身を除く): 322242839924

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 577, 631, 1154, 1262, 2113, 2308, 2524, 2885, 3155, 4226, 5770, 6310, 8452, 9809, 10565, 10727, 11540, 12620, 19618, 21130, 21454, 35921, 39236, 42260, 42908, 49045, 53635, 71842, 98090, 107270, 143684, 179605, 196180, 214540, 359210, 364087, 718420, 728174, 1219201, 1333303, 1456348, 1820435, 2438402, 2666606, 3640870, 4876804, 5333212, 6096005, 6189479, 6666515, 7281740, 12192010, 12378958, 13333030, 20726417, 22666151, 24384020, 24757916, 26666060, 30947395, 41452834, 45332302, 61894790, 82905668, 90664604, 103632085, 113330755, 123789580, 207264170, 226661510, 414528340, 453323020, 769315831, 1538631662, 3077263324, 3846579155, 7693158310, 13078369127, 15386316620, 26156738254, 52313476508, 65391845635, 130783691270, 261567382540]

約数ペア:

[(1, 261567382540), (2, 130783691270), (4, 65391845635), (5, 52313476508), (10, 26156738254), (17, 15386316620), (20, 13078369127), (34, 7693158310), (68, 3846579155), (85, 3077263324), (170, 1538631662), (340, 769315831), (577, 453323020), (631, 414528340), (1154, 226661510), (1262, 207264170), (2113, 123789580), (2308, 113330755), (2524, 103632085), (2885, 90664604), (3155, 82905668), (4226, 61894790), (5770, 45332302), (6310, 41452834), (8452, 30947395), (9809, 26666060), (10565, 24757916), (10727, 24384020), (11540, 22666151), (12620, 20726417), (19618, 13333030), (21130, 12378958), (21454, 12192010), (35921, 7281740), (39236, 6666515), (42260, 6189479), (42908, 6096005), (49045, 5333212), (53635, 4876804), (71842, 3640870), (98090, 2666606), (107270, 2438402), (143684, 1820435), (179605, 1456348), (196180, 1333303), (214540, 1219201), (359210, 728174), (364087, 718420)]