28783920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10903}}^1$

素因数の和:10930

約数の個数: 80

約数和(自身を含む): 97350912

約数和(自身を除く): 68566992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 10903, 21806, 32709, 43612, 54515, 65418, 87224, 109030, 119933, 130836, 163545, 174448, 218060, 239866, 261672, 327090, 359799, 436120, 479732, 523344, 599665, 654180, 719598, 872240, 959464, 1199330, 1308360, 1439196, 1798995, 1918928, 2398660, 2616720, 2878392, 3597990, 4797320, 5756784, 7195980, 9594640, 14391960, 28783920]

約数ペア:

[(1, 28783920), (2, 14391960), (3, 9594640), (4, 7195980), (5, 5756784), (6, 4797320), (8, 3597990), (10, 2878392), (11, 2616720), (12, 2398660), (15, 1918928), (16, 1798995), (20, 1439196), (22, 1308360), (24, 1199330), (30, 959464), (33, 872240), (40, 719598), (44, 654180), (48, 599665), (55, 523344), (60, 479732), (66, 436120), (80, 359799), (88, 327090), (110, 261672), (120, 239866), (132, 218060), (165, 174448), (176, 163545), (220, 130836), (240, 119933), (264, 109030), (330, 87224), (440, 65418), (528, 54515), (660, 43612), (880, 32709), (1320, 21806), (2640, 10903)]