68680080

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13627}}^1$

素因数の和:13653

約数の個数: 120

約数和(自身を含む): 263620032

約数和(自身を除く): 194939952

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 13627, 27254, 40881, 54508, 68135, 81762, 95389, 109016, 122643, 136270, 163524, 190778, 204405, 218032, 245286, 272540, 286167, 327048, 381556, 408810, 476945, 490572, 545080, 572334, 613215, 654096, 763112, 817620, 858501, 953890, 981144, 1090160, 1144668, 1226430, 1430835, 1526224, 1635240, 1717002, 1907780, 1962288, 2289336, 2452860, 2861670, 3270480, 3434004, 3815560, 4292505, 4578672, 4905720, 5723340, 6868008, 7631120, 8585010, 9811440, 11446680, 13736016, 17170020, 22893360, 34340040, 68680080]

約数ペア:

[(1, 68680080), (2, 34340040), (3, 22893360), (4, 17170020), (5, 13736016), (6, 11446680), (7, 9811440), (8, 8585010), (9, 7631120), (10, 6868008), (12, 5723340), (14, 4905720), (15, 4578672), (16, 4292505), (18, 3815560), (20, 3434004), (21, 3270480), (24, 2861670), (28, 2452860), (30, 2289336), (35, 1962288), (36, 1907780), (40, 1717002), (42, 1635240), (45, 1526224), (48, 1430835), (56, 1226430), (60, 1144668), (63, 1090160), (70, 981144), (72, 953890), (80, 858501), (84, 817620), (90, 763112), (105, 654096), (112, 613215), (120, 572334), (126, 545080), (140, 490572), (144, 476945), (168, 408810), (180, 381556), (210, 327048), (240, 286167), (252, 272540), (280, 245286), (315, 218032), (336, 204405), (360, 190778), (420, 163524), (504, 136270), (560, 122643), (630, 109016), (720, 95389), (840, 81762), (1008, 68135), (1260, 54508), (1680, 40881), (2520, 27254), (5040, 13627)]