80691990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{21179}}^1$

素因数の和:21316

約数の個数: 32

約数和(自身を含む): 195194880

約数和(自身を除く): 114502890

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 127, 254, 381, 635, 762, 1270, 1905, 3810, 21179, 42358, 63537, 105895, 127074, 211790, 317685, 635370, 2689733, 5379466, 8069199, 13448665, 16138398, 26897330, 40345995, 80691990]

約数ペア:

[(1, 80691990), (2, 40345995), (3, 26897330), (5, 16138398), (6, 13448665), (10, 8069199), (15, 5379466), (30, 2689733), (127, 635370), (254, 317685), (381, 211790), (635, 127074), (762, 105895), (1270, 63537), (1905, 42358), (3810, 21179)]