61291920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{255383}}^1$

素因数の和:255399

約数の個数: 40

約数和(自身を含む): 190005696

約数和(自身を除く): 128713776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 255383, 510766, 766149, 1021532, 1276915, 1532298, 2043064, 2553830, 3064596, 3830745, 4086128, 5107660, 6129192, 7661490, 10215320, 12258384, 15322980, 20430640, 30645960, 61291920]

約数ペア:

[(1, 61291920), (2, 30645960), (3, 20430640), (4, 15322980), (5, 12258384), (6, 10215320), (8, 7661490), (10, 6129192), (12, 5107660), (15, 4086128), (16, 3830745), (20, 3064596), (24, 2553830), (30, 2043064), (40, 1532298), (48, 1276915), (60, 1021532), (80, 766149), (120, 510766), (240, 255383)]