68584140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8861}}^1$

素因数の和:8919

約数の個数: 72

約数和(自身を含む): 212900688

約数和(自身を除く): 144316548

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, 7740, 8861, 17722, 26583, 35444, 44305, 53166, 79749, 88610, 106332, 132915, 159498, 177220, 265830, 318996, 381023, 398745, 531660, 762046, 797490, 1143069, 1524092, 1594980, 1905115, 2286138, 3429207, 3810230, 4572276, 5715345, 6858414, 7620460, 11430690, 13716828, 17146035, 22861380, 34292070, 68584140]

約数ペア:

[(1, 68584140), (2, 34292070), (3, 22861380), (4, 17146035), (5, 13716828), (6, 11430690), (9, 7620460), (10, 6858414), (12, 5715345), (15, 4572276), (18, 3810230), (20, 3429207), (30, 2286138), (36, 1905115), (43, 1594980), (45, 1524092), (60, 1143069), (86, 797490), (90, 762046), (129, 531660), (172, 398745), (180, 381023), (215, 318996), (258, 265830), (387, 177220), (430, 159498), (516, 132915), (645, 106332), (774, 88610), (860, 79749), (1290, 53166), (1548, 44305), (1935, 35444), (2580, 26583), (3870, 17722), (7740, 8861)]