66639320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 177292800

約数和(自身を除く): 110653480

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 59, 68, 85, 88, 110, 118, 136, 151, 170, 187, 220, 236, 295, 302, 340, 374, 440, 472, 590, 604, 649, 680, 748, 755, 935, 1003, 1180, 1208, 1298, 1496, 1510, 1661, 1870, 2006, 2360, 2567, 2596, 3020, 3245, 3322, 3740, 4012, 5015, 5134, 5192, 6040, 6490, 6644, 7480, 8024, 8305, 8909, 10030, 10268, 11033, 12835, 12980, 13288, 16610, 17818, 20060, 20536, 22066, 25670, 25960, 28237, 33220, 35636, 40120, 44132, 44545, 51340, 55165, 56474, 66440, 71272, 88264, 89090, 97999, 102680, 110330, 112948, 141185, 151453, 178180, 195998, 220660, 225896, 282370, 302906, 356360, 391996, 441320, 489995, 564740, 605812, 757265, 783992, 979990, 1129480, 1211624, 1514530, 1665983, 1959980, 3029060, 3331966, 3919960, 6058120, 6663932, 8329915, 13327864, 16659830, 33319660, 66639320]

約数ペア:

[(1, 66639320), (2, 33319660), (4, 16659830), (5, 13327864), (8, 8329915), (10, 6663932), (11, 6058120), (17, 3919960), (20, 3331966), (22, 3029060), (34, 1959980), (40, 1665983), (44, 1514530), (55, 1211624), (59, 1129480), (68, 979990), (85, 783992), (88, 757265), (110, 605812), (118, 564740), (136, 489995), (151, 441320), (170, 391996), (187, 356360), (220, 302906), (236, 282370), (295, 225896), (302, 220660), (340, 195998), (374, 178180), (440, 151453), (472, 141185), (590, 112948), (604, 110330), (649, 102680), (680, 97999), (748, 89090), (755, 88264), (935, 71272), (1003, 66440), (1180, 56474), (1208, 55165), (1298, 51340), (1496, 44545), (1510, 44132), (1661, 40120), (1870, 35636), (2006, 33220), (2360, 28237), (2567, 25960), (2596, 25670), (3020, 22066), (3245, 20536), (3322, 20060), (3740, 17818), (4012, 16610), (5015, 13288), (5134, 12980), (5192, 12835), (6040, 11033), (6490, 10268), (6644, 10030), (7480, 8909), (8024, 8305)]