18005120

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{4019}}^1$

素因数の和:4045

約数の個数: 64

約数和(自身を含む): 49204800

約数和(自身を除く): 31199680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4019, 4480, 8038, 16076, 20095, 28133, 32152, 40190, 56266, 64304, 80380, 112532, 128608, 140665, 160760, 225064, 257216, 281330, 321520, 450128, 514432, 562660, 643040, 900256, 1125320, 1286080, 1800512, 2250640, 2572160, 3601024, 4501280, 9002560, 18005120]

約数ペア:

[(1, 18005120), (2, 9002560), (4, 4501280), (5, 3601024), (7, 2572160), (8, 2250640), (10, 1800512), (14, 1286080), (16, 1125320), (20, 900256), (28, 643040), (32, 562660), (35, 514432), (40, 450128), (56, 321520), (64, 281330), (70, 257216), (80, 225064), (112, 160760), (128, 140665), (140, 128608), (160, 112532), (224, 80380), (280, 64304), (320, 56266), (448, 40190), (560, 32152), (640, 28133), (896, 20095), (1120, 16076), (2240, 8038), (4019, 4480)]