15717380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{857}}^1$

素因数の和:1004

約数の個数: 48

約数和(自身を含む): 38054016

約数和(自身を除く): 22336636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 857, 917, 1310, 1714, 1834, 2620, 3428, 3668, 4285, 4585, 5999, 8570, 9170, 11998, 17140, 18340, 23996, 29995, 59990, 112267, 119980, 224534, 449068, 561335, 785869, 1122670, 1571738, 2245340, 3143476, 3929345, 7858690, 15717380]

約数ペア:

[(1, 15717380), (2, 7858690), (4, 3929345), (5, 3143476), (7, 2245340), (10, 1571738), (14, 1122670), (20, 785869), (28, 561335), (35, 449068), (70, 224534), (131, 119980), (140, 112267), (262, 59990), (524, 29995), (655, 23996), (857, 18340), (917, 17140), (1310, 11998), (1714, 9170), (1834, 8570), (2620, 5999), (3428, 4585), (3668, 4285)]