28291560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21433}}^1$

素因数の和:21458

約数の個数: 64

約数和(自身を含む): 92594880

約数和(自身を除く): 64303320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 21433, 42866, 64299, 85732, 107165, 128598, 171464, 214330, 235763, 257196, 321495, 428660, 471526, 514392, 642990, 707289, 857320, 943052, 1178815, 1285980, 1414578, 1886104, 2357630, 2571960, 2829156, 3536445, 4715260, 5658312, 7072890, 9430520, 14145780, 28291560]

約数ペア:

[(1, 28291560), (2, 14145780), (3, 9430520), (4, 7072890), (5, 5658312), (6, 4715260), (8, 3536445), (10, 2829156), (11, 2571960), (12, 2357630), (15, 1886104), (20, 1414578), (22, 1285980), (24, 1178815), (30, 943052), (33, 857320), (40, 707289), (44, 642990), (55, 514392), (60, 471526), (66, 428660), (88, 321495), (110, 257196), (120, 235763), (132, 214330), (165, 171464), (220, 128598), (264, 107165), (330, 85732), (440, 64299), (660, 42866), (1320, 21433)]