12665220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4909}}^1$

素因数の和:4964

約数の個数: 48

約数和(自身を含む): 36294720

約数和(自身を除く): 23629500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 4909, 9818, 14727, 19636, 24545, 29454, 49090, 58908, 73635, 98180, 147270, 211087, 294540, 422174, 633261, 844348, 1055435, 1266522, 2110870, 2533044, 3166305, 4221740, 6332610, 12665220]

約数ペア:

[(1, 12665220), (2, 6332610), (3, 4221740), (4, 3166305), (5, 2533044), (6, 2110870), (10, 1266522), (12, 1055435), (15, 844348), (20, 633261), (30, 422174), (43, 294540), (60, 211087), (86, 147270), (129, 98180), (172, 73635), (215, 58908), (258, 49090), (430, 29454), (516, 24545), (645, 19636), (860, 14727), (1290, 9818), (2580, 4909)]