2887980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{379}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 8171520

約数和(自身を除く): 5283540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 379, 381, 508, 635, 758, 762, 1137, 1270, 1516, 1524, 1895, 1905, 2274, 2540, 3790, 3810, 4548, 5685, 7580, 7620, 11370, 22740, 48133, 96266, 144399, 192532, 240665, 288798, 481330, 577596, 721995, 962660, 1443990, 2887980]

約数ペア:

[(1, 2887980), (2, 1443990), (3, 962660), (4, 721995), (5, 577596), (6, 481330), (10, 288798), (12, 240665), (15, 192532), (20, 144399), (30, 96266), (60, 48133), (127, 22740), (254, 11370), (379, 7620), (381, 7580), (508, 5685), (635, 4548), (758, 3810), (762, 3790), (1137, 2540), (1270, 2274), (1516, 1905), (1524, 1895)]