12127220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{103}}^1$

素因数の和:177

約数の個数: 72

約数和(自身を含む): 30436224

約数和(自身を除く): 18309004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 103, 116, 140, 145, 203, 206, 290, 406, 412, 515, 580, 721, 812, 841, 1015, 1030, 1442, 1682, 2030, 2060, 2884, 2987, 3364, 3605, 4060, 4205, 5887, 5974, 7210, 8410, 11774, 11948, 14420, 14935, 16820, 20909, 23548, 29435, 29870, 41818, 58870, 59740, 83636, 86623, 104545, 117740, 173246, 209090, 346492, 418180, 433115, 606361, 866230, 1212722, 1732460, 2425444, 3031805, 6063610, 12127220]

約数ペア:

[(1, 12127220), (2, 6063610), (4, 3031805), (5, 2425444), (7, 1732460), (10, 1212722), (14, 866230), (20, 606361), (28, 433115), (29, 418180), (35, 346492), (58, 209090), (70, 173246), (103, 117740), (116, 104545), (140, 86623), (145, 83636), (203, 59740), (206, 58870), (290, 41818), (406, 29870), (412, 29435), (515, 23548), (580, 20909), (721, 16820), (812, 14935), (841, 14420), (1015, 11948), (1030, 11774), (1442, 8410), (1682, 7210), (2030, 5974), (2060, 5887), (2884, 4205), (2987, 4060), (3364, 3605)]