1555620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2357}}^1$

素因数の和:2380

約数の個数: 48

約数和(自身を含む): 4753728

約数和(自身を除く): 3198108

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 2357, 4714, 7071, 9428, 11785, 14142, 23570, 25927, 28284, 35355, 47140, 51854, 70710, 77781, 103708, 129635, 141420, 155562, 259270, 311124, 388905, 518540, 777810, 1555620]

約数ペア:

[(1, 1555620), (2, 777810), (3, 518540), (4, 388905), (5, 311124), (6, 259270), (10, 155562), (11, 141420), (12, 129635), (15, 103708), (20, 77781), (22, 70710), (30, 51854), (33, 47140), (44, 35355), (55, 28284), (60, 25927), (66, 23570), (110, 14142), (132, 11785), (165, 9428), (220, 7071), (330, 4714), (660, 2357)]