18010240

素因数分解:

$2^7\times 5^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 43623360

約数和(自身を除く): 25613120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 263, 320, 428, 526, 535, 640, 856, 1052, 1070, 1315, 1712, 2104, 2140, 2630, 3424, 4208, 4280, 5260, 6848, 8416, 8560, 10520, 13696, 16832, 17120, 21040, 28141, 33664, 34240, 42080, 56282, 68480, 84160, 112564, 140705, 168320, 225128, 281410, 450256, 562820, 900512, 1125640, 1801024, 2251280, 3602048, 4502560, 9005120, 18010240]

約数ペア:

[(1, 18010240), (2, 9005120), (4, 4502560), (5, 3602048), (8, 2251280), (10, 1801024), (16, 1125640), (20, 900512), (32, 562820), (40, 450256), (64, 281410), (80, 225128), (107, 168320), (128, 140705), (160, 112564), (214, 84160), (263, 68480), (320, 56282), (428, 42080), (526, 34240), (535, 33664), (640, 28141), (856, 21040), (1052, 17120), (1070, 16832), (1315, 13696), (1712, 10520), (2104, 8560), (2140, 8416), (2630, 6848), (3424, 5260), (4208, 4280)]