12468280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{659}}^1$

素因数の和:724

約数の個数: 64

約数和(自身を含む): 31363200

約数和(自身を除く): 18894920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 659, 860, 946, 1318, 1720, 1892, 2365, 2636, 3295, 3784, 4730, 5272, 6590, 7249, 9460, 13180, 14498, 18920, 26360, 28337, 28996, 36245, 56674, 57992, 72490, 113348, 141685, 144980, 226696, 283370, 289960, 311707, 566740, 623414, 1133480, 1246828, 1558535, 2493656, 3117070, 6234140, 12468280]

約数ペア:

[(1, 12468280), (2, 6234140), (4, 3117070), (5, 2493656), (8, 1558535), (10, 1246828), (11, 1133480), (20, 623414), (22, 566740), (40, 311707), (43, 289960), (44, 283370), (55, 226696), (86, 144980), (88, 141685), (110, 113348), (172, 72490), (215, 57992), (220, 56674), (344, 36245), (430, 28996), (440, 28337), (473, 26360), (659, 18920), (860, 14498), (946, 13180), (1318, 9460), (1720, 7249), (1892, 6590), (2365, 5272), (2636, 4730), (3295, 3784)]