51471990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{503}}^1$

素因数の和:898

約数の個数: 64

約数和(自身を含む): 137894400

約数和(自身を除く): 86422410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 379, 503, 758, 1006, 1137, 1509, 1895, 2274, 2515, 3018, 3411, 3790, 4527, 5030, 5685, 6822, 7545, 9054, 10233, 11370, 13581, 15090, 17055, 20466, 22635, 27162, 34110, 45270, 51165, 67905, 102330, 135810, 190637, 381274, 571911, 953185, 1143822, 1715733, 1906370, 2859555, 3431466, 5147199, 5719110, 8578665, 10294398, 17157330, 25735995, 51471990]

約数ペア:

[(1, 51471990), (2, 25735995), (3, 17157330), (5, 10294398), (6, 8578665), (9, 5719110), (10, 5147199), (15, 3431466), (18, 2859555), (27, 1906370), (30, 1715733), (45, 1143822), (54, 953185), (90, 571911), (135, 381274), (270, 190637), (379, 135810), (503, 102330), (758, 67905), (1006, 51165), (1137, 45270), (1509, 34110), (1895, 27162), (2274, 22635), (2515, 20466), (3018, 17055), (3411, 15090), (3790, 13581), (4527, 11370), (5030, 10233), (5685, 9054), (6822, 7545)]