68987940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1979}}^1$

素因数の和:2081

約数の個数: 96

約数和(自身を含む): 223534080

約数和(自身を除く): 154546140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 83, 84, 105, 140, 166, 210, 249, 332, 415, 420, 498, 581, 830, 996, 1162, 1245, 1660, 1743, 1979, 2324, 2490, 2905, 3486, 3958, 4980, 5810, 5937, 6972, 7916, 8715, 9895, 11620, 11874, 13853, 17430, 19790, 23748, 27706, 29685, 34860, 39580, 41559, 55412, 59370, 69265, 83118, 118740, 138530, 164257, 166236, 207795, 277060, 328514, 415590, 492771, 657028, 821285, 831180, 985542, 1149799, 1642570, 1971084, 2299598, 2463855, 3285140, 3449397, 4599196, 4927710, 5748995, 6898794, 9855420, 11497990, 13797588, 17246985, 22995980, 34493970, 68987940]

約数ペア:

[(1, 68987940), (2, 34493970), (3, 22995980), (4, 17246985), (5, 13797588), (6, 11497990), (7, 9855420), (10, 6898794), (12, 5748995), (14, 4927710), (15, 4599196), (20, 3449397), (21, 3285140), (28, 2463855), (30, 2299598), (35, 1971084), (42, 1642570), (60, 1149799), (70, 985542), (83, 831180), (84, 821285), (105, 657028), (140, 492771), (166, 415590), (210, 328514), (249, 277060), (332, 207795), (415, 166236), (420, 164257), (498, 138530), (581, 118740), (830, 83118), (996, 69265), (1162, 59370), (1245, 55412), (1660, 41559), (1743, 39580), (1979, 34860), (2324, 29685), (2490, 27706), (2905, 23748), (3486, 19790), (3958, 17430), (4980, 13853), (5810, 11874), (5937, 11620), (6972, 9895), (7916, 8715)]