320645360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{572581}}^1$

素因数の和:572601

約数の個数: 40

約数和(自身を含む): 852002016

約数和(自身を除く): 531356656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 572581, 1145162, 2290324, 2862905, 4008067, 4580648, 5725810, 8016134, 9161296, 11451620, 16032268, 20040335, 22903240, 32064536, 40080670, 45806480, 64129072, 80161340, 160322680, 320645360]

約数ペア:

[(1, 320645360), (2, 160322680), (4, 80161340), (5, 64129072), (7, 45806480), (8, 40080670), (10, 32064536), (14, 22903240), (16, 20040335), (20, 16032268), (28, 11451620), (35, 9161296), (40, 8016134), (56, 5725810), (70, 4580648), (80, 4008067), (112, 2862905), (140, 2290324), (280, 1145162), (560, 572581)]