8663940

素因数分解:

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

素因数の和:521

約数の個数: 72

約数和(自身を含む): 26557440

約数和(自身を除く): 17893500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 379, 381, 508, 635, 758, 762, 1137, 1143, 1270, 1516, 1524, 1895, 1905, 2274, 2286, 2540, 3411, 3790, 3810, 4548, 4572, 5685, 5715, 6822, 7580, 7620, 11370, 11430, 13644, 17055, 22740, 22860, 34110, 48133, 68220, 96266, 144399, 192532, 240665, 288798, 433197, 481330, 577596, 721995, 866394, 962660, 1443990, 1732788, 2165985, 2887980, 4331970, 8663940]

約数ペア:

[(1, 8663940), (2, 4331970), (3, 2887980), (4, 2165985), (5, 1732788), (6, 1443990), (9, 962660), (10, 866394), (12, 721995), (15, 577596), (18, 481330), (20, 433197), (30, 288798), (36, 240665), (45, 192532), (60, 144399), (90, 96266), (127, 68220), (180, 48133), (254, 34110), (379, 22860), (381, 22740), (508, 17055), (635, 13644), (758, 11430), (762, 11370), (1137, 7620), (1143, 7580), (1270, 6822), (1516, 5715), (1524, 5685), (1895, 4572), (1905, 4548), (2274, 3810), (2286, 3790), (2540, 3411)]