1880491980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{287537}}^1$

素因数の和:287658

約数の個数: 48

約数和(自身を含む): 5313702240

約数和(自身を除く): 3433210260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1635, 2180, 3270, 6540, 287537, 575074, 862611, 1150148, 1437685, 1725222, 2875370, 3450444, 4313055, 5750740, 8626110, 17252220, 31341533, 62683066, 94024599, 125366132, 156707665, 188049198, 313415330, 376098396, 470122995, 626830660, 940245990, 1880491980]

約数ペア:

[(1, 1880491980), (2, 940245990), (3, 626830660), (4, 470122995), (5, 376098396), (6, 313415330), (10, 188049198), (12, 156707665), (15, 125366132), (20, 94024599), (30, 62683066), (60, 31341533), (109, 17252220), (218, 8626110), (327, 5750740), (436, 4313055), (545, 3450444), (654, 2875370), (1090, 1725222), (1308, 1437685), (1635, 1150148), (2180, 862611), (3270, 575074), (6540, 287537)]