648644080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1158293}}^1$

素因数の和:1158313

約数の個数: 40

約数和(自身を含む): 1723541472

約数和(自身を除く): 1074897392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1158293, 2316586, 4633172, 5791465, 8108051, 9266344, 11582930, 16216102, 18532688, 23165860, 32432204, 40540255, 46331720, 64864408, 81080510, 92663440, 129728816, 162161020, 324322040, 648644080]

約数ペア:

[(1, 648644080), (2, 324322040), (4, 162161020), (5, 129728816), (7, 92663440), (8, 81080510), (10, 64864408), (14, 46331720), (16, 40540255), (20, 32432204), (28, 23165860), (35, 18532688), (40, 16216102), (56, 11582930), (70, 9266344), (80, 8108051), (112, 5791465), (140, 4633172), (280, 2316586), (560, 1158293)]