18720800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{3343}}^1$

素因数の和:3370

約数の個数: 72

約数和(自身を含む): 52246656

約数和(自身を除く): 33525856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 350, 400, 560, 700, 800, 1120, 1400, 2800, 3343, 5600, 6686, 13372, 16715, 23401, 26744, 33430, 46802, 53488, 66860, 83575, 93604, 106976, 117005, 133720, 167150, 187208, 234010, 267440, 334300, 374416, 468020, 534880, 585025, 668600, 748832, 936040, 1170050, 1337200, 1872080, 2340100, 2674400, 3744160, 4680200, 9360400, 18720800]

約数ペア:

[(1, 18720800), (2, 9360400), (4, 4680200), (5, 3744160), (7, 2674400), (8, 2340100), (10, 1872080), (14, 1337200), (16, 1170050), (20, 936040), (25, 748832), (28, 668600), (32, 585025), (35, 534880), (40, 468020), (50, 374416), (56, 334300), (70, 267440), (80, 234010), (100, 187208), (112, 167150), (140, 133720), (160, 117005), (175, 106976), (200, 93604), (224, 83575), (280, 66860), (350, 53488), (400, 46802), (560, 33430), (700, 26744), (800, 23401), (1120, 16715), (1400, 13372), (2800, 6686), (3343, 5600)]