668825360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{569}}^1\times {\mathrm{2099}}^1$

素因数の和:2688

約数の個数: 80

約数和(自身を含む): 1781136000

約数和(自身を除く): 1112310640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 569, 1138, 2099, 2276, 2845, 3983, 4198, 4552, 5690, 7966, 8396, 9104, 10495, 11380, 14693, 15932, 16792, 19915, 20990, 22760, 29386, 31864, 33584, 39830, 41980, 45520, 58772, 63728, 73465, 79660, 83960, 117544, 146930, 159320, 167920, 235088, 293860, 318640, 587720, 1175440, 1194331, 2388662, 4777324, 5971655, 8360317, 9554648, 11943310, 16720634, 19109296, 23886620, 33441268, 41801585, 47773240, 66882536, 83603170, 95546480, 133765072, 167206340, 334412680, 668825360]

約数ペア:

[(1, 668825360), (2, 334412680), (4, 167206340), (5, 133765072), (7, 95546480), (8, 83603170), (10, 66882536), (14, 47773240), (16, 41801585), (20, 33441268), (28, 23886620), (35, 19109296), (40, 16720634), (56, 11943310), (70, 9554648), (80, 8360317), (112, 5971655), (140, 4777324), (280, 2388662), (560, 1194331), (569, 1175440), (1138, 587720), (2099, 318640), (2276, 293860), (2845, 235088), (3983, 167920), (4198, 159320), (4552, 146930), (5690, 117544), (7966, 83960), (8396, 79660), (9104, 73465), (10495, 63728), (11380, 58772), (14693, 45520), (15932, 41980), (16792, 39830), (19915, 33584), (20990, 31864), (22760, 29386)]