645829520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1153267}}^1$

素因数の和:1153287

約数の個数: 40

約数和(自身を含む): 1716062784

約数和(自身を除く): 1070233264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1153267, 2306534, 4613068, 5766335, 8072869, 9226136, 11532670, 16145738, 18452272, 23065340, 32291476, 40364345, 46130680, 64582952, 80728690, 92261360, 129165904, 161457380, 322914760, 645829520]

約数ペア:

[(1, 645829520), (2, 322914760), (4, 161457380), (5, 129165904), (7, 92261360), (8, 80728690), (10, 64582952), (14, 46130680), (16, 40364345), (20, 32291476), (28, 23065340), (35, 18452272), (40, 16145738), (56, 11532670), (70, 9226136), (80, 8072869), (112, 5766335), (140, 4613068), (280, 2306534), (560, 1153267)]