15268540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{571}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 36900864

約数和(自身を除く): 21632324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 191, 382, 571, 764, 955, 1142, 1337, 1910, 2284, 2674, 2855, 3820, 3997, 5348, 5710, 6685, 7994, 11420, 13370, 15988, 19985, 26740, 39970, 79940, 109061, 218122, 436244, 545305, 763427, 1090610, 1526854, 2181220, 3053708, 3817135, 7634270, 15268540]

約数ペア:

[(1, 15268540), (2, 7634270), (4, 3817135), (5, 3053708), (7, 2181220), (10, 1526854), (14, 1090610), (20, 763427), (28, 545305), (35, 436244), (70, 218122), (140, 109061), (191, 79940), (382, 39970), (571, 26740), (764, 19985), (955, 15988), (1142, 13370), (1337, 11420), (1910, 7994), (2284, 6685), (2674, 5710), (2855, 5348), (3820, 3997)]