172904320

素因数分解:

$2^7\times 5^1\times {\mathrm{270163}}^1$

素因数の和:270182

約数の個数: 32

約数和(自身を含む): 413350920

約数和(自身を除く): 240446600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 270163, 540326, 1080652, 1350815, 2161304, 2701630, 4322608, 5403260, 8645216, 10806520, 17290432, 21613040, 34580864, 43226080, 86452160, 172904320]

約数ペア:

[(1, 172904320), (2, 86452160), (4, 43226080), (5, 34580864), (8, 21613040), (10, 17290432), (16, 10806520), (20, 8645216), (32, 5403260), (40, 4322608), (64, 2701630), (80, 2161304), (128, 1350815), (160, 1080652), (320, 540326), (640, 270163)]