30956720

素因数分解:

$2^4\times 5^1\times {\mathrm{379}}^1\times {\mathrm{1021}}^1$

素因数の和:1413

約数の個数: 40

約数和(自身を含む): 72234960

約数和(自身を除く): 41278240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 379, 758, 1021, 1516, 1895, 2042, 3032, 3790, 4084, 5105, 6064, 7580, 8168, 10210, 15160, 16336, 20420, 30320, 40840, 81680, 386959, 773918, 1547836, 1934795, 3095672, 3869590, 6191344, 7739180, 15478360, 30956720]

約数ペア:

[(1, 30956720), (2, 15478360), (4, 7739180), (5, 6191344), (8, 3869590), (10, 3095672), (16, 1934795), (20, 1547836), (40, 773918), (80, 386959), (379, 81680), (758, 40840), (1021, 30320), (1516, 20420), (1895, 16336), (2042, 15160), (3032, 10210), (3790, 8168), (4084, 7580), (5105, 6064)]