65688280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{619}}^1$

素因数の和:1016

約数の個数: 64

約数和(自身を含む): 169632000

約数和(自身を除く): 103943720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 379, 619, 758, 1238, 1516, 1895, 2476, 2653, 3032, 3095, 3790, 4333, 4952, 5306, 6190, 7580, 8666, 10612, 12380, 13265, 15160, 17332, 21224, 21665, 24760, 26530, 34664, 43330, 53060, 86660, 106120, 173320, 234601, 469202, 938404, 1173005, 1642207, 1876808, 2346010, 3284414, 4692020, 6568828, 8211035, 9384040, 13137656, 16422070, 32844140, 65688280]

約数ペア:

[(1, 65688280), (2, 32844140), (4, 16422070), (5, 13137656), (7, 9384040), (8, 8211035), (10, 6568828), (14, 4692020), (20, 3284414), (28, 2346010), (35, 1876808), (40, 1642207), (56, 1173005), (70, 938404), (140, 469202), (280, 234601), (379, 173320), (619, 106120), (758, 86660), (1238, 53060), (1516, 43330), (1895, 34664), (2476, 26530), (2653, 24760), (3032, 21665), (3095, 21224), (3790, 17332), (4333, 15160), (4952, 13265), (5306, 12380), (6190, 10612), (7580, 8666)]