81830760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1319}}^1$

素因数の和:1391

約数の個数: 128

約数和(自身を含む): 273715200

約数和(自身を除く): 191884440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 47, 55, 60, 66, 88, 94, 110, 120, 132, 141, 165, 188, 220, 235, 264, 282, 330, 376, 440, 470, 517, 564, 660, 705, 940, 1034, 1128, 1319, 1320, 1410, 1551, 1880, 2068, 2585, 2638, 2820, 3102, 3957, 4136, 5170, 5276, 5640, 6204, 6595, 7755, 7914, 10340, 10552, 12408, 13190, 14509, 15510, 15828, 19785, 20680, 26380, 29018, 31020, 31656, 39570, 43527, 52760, 58036, 61993, 62040, 72545, 79140, 87054, 116072, 123986, 145090, 158280, 174108, 185979, 217635, 247972, 290180, 309965, 348216, 371958, 435270, 495944, 580360, 619930, 681923, 743916, 870540, 929895, 1239860, 1363846, 1487832, 1741080, 1859790, 2045769, 2479720, 2727692, 3409615, 3719580, 4091538, 5455384, 6819230, 7439160, 8183076, 10228845, 13638460, 16366152, 20457690, 27276920, 40915380, 81830760]

約数ペア:

[(1, 81830760), (2, 40915380), (3, 27276920), (4, 20457690), (5, 16366152), (6, 13638460), (8, 10228845), (10, 8183076), (11, 7439160), (12, 6819230), (15, 5455384), (20, 4091538), (22, 3719580), (24, 3409615), (30, 2727692), (33, 2479720), (40, 2045769), (44, 1859790), (47, 1741080), (55, 1487832), (60, 1363846), (66, 1239860), (88, 929895), (94, 870540), (110, 743916), (120, 681923), (132, 619930), (141, 580360), (165, 495944), (188, 435270), (220, 371958), (235, 348216), (264, 309965), (282, 290180), (330, 247972), (376, 217635), (440, 185979), (470, 174108), (517, 158280), (564, 145090), (660, 123986), (705, 116072), (940, 87054), (1034, 79140), (1128, 72545), (1319, 62040), (1320, 61993), (1410, 58036), (1551, 52760), (1880, 43527), (2068, 39570), (2585, 31656), (2638, 31020), (2820, 29018), (3102, 26380), (3957, 20680), (4136, 19785), (5170, 15828), (5276, 15510), (5640, 14509), (6204, 13190), (6595, 12408), (7755, 10552), (7914, 10340)]