15782690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 35942400

約数和(自身を除く): 20159710

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 103, 110, 154, 199, 206, 385, 398, 515, 721, 770, 995, 1030, 1133, 1393, 1442, 1990, 2189, 2266, 2786, 3605, 4378, 5665, 6965, 7210, 7931, 10945, 11330, 13930, 15323, 15862, 20497, 21890, 30646, 39655, 40994, 76615, 79310, 102485, 143479, 153230, 204970, 225467, 286958, 450934, 717395, 1127335, 1434790, 1578269, 2254670, 3156538, 7891345, 15782690]

約数ペア:

[(1, 15782690), (2, 7891345), (5, 3156538), (7, 2254670), (10, 1578269), (11, 1434790), (14, 1127335), (22, 717395), (35, 450934), (55, 286958), (70, 225467), (77, 204970), (103, 153230), (110, 143479), (154, 102485), (199, 79310), (206, 76615), (385, 40994), (398, 39655), (515, 30646), (721, 21890), (770, 20497), (995, 15862), (1030, 15323), (1133, 13930), (1393, 11330), (1442, 10945), (1990, 7931), (2189, 7210), (2266, 6965), (2786, 5665), (3605, 4378)]