72645580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{617}}^1$

素因数の和:691

約数の個数: 72

約数和(自身を含む): 180861408

約数和(自身を除く): 108215828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 617, 812, 841, 1015, 1234, 1682, 2030, 2468, 3085, 3364, 4060, 4205, 4319, 5887, 6170, 8410, 8638, 11774, 12340, 16820, 17276, 17893, 21595, 23548, 29435, 35786, 43190, 58870, 71572, 86380, 89465, 117740, 125251, 178930, 250502, 357860, 501004, 518897, 626255, 1037794, 1252510, 2075588, 2505020, 2594485, 3632279, 5188970, 7264558, 10377940, 14529116, 18161395, 36322790, 72645580]

約数ペア:

[(1, 72645580), (2, 36322790), (4, 18161395), (5, 14529116), (7, 10377940), (10, 7264558), (14, 5188970), (20, 3632279), (28, 2594485), (29, 2505020), (35, 2075588), (58, 1252510), (70, 1037794), (116, 626255), (140, 518897), (145, 501004), (203, 357860), (290, 250502), (406, 178930), (580, 125251), (617, 117740), (812, 89465), (841, 86380), (1015, 71572), (1234, 58870), (1682, 43190), (2030, 35786), (2468, 29435), (3085, 23548), (3364, 21595), (4060, 17893), (4205, 17276), (4319, 16820), (5887, 12340), (6170, 11774), (8410, 8638)]