2812920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2131}}^1$

素因数の和:2156

約数の個数: 64

約数和(自身を含む): 9210240

約数和(自身を除く): 6397320

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, 2131, 4262, 6393, 8524, 10655, 12786, 17048, 21310, 23441, 25572, 31965, 42620, 46882, 51144, 63930, 70323, 85240, 93764, 117205, 127860, 140646, 187528, 234410, 255720, 281292, 351615, 468820, 562584, 703230, 937640, 1406460, 2812920]

約数ペア:

[(1, 2812920), (2, 1406460), (3, 937640), (4, 703230), (5, 562584), (6, 468820), (8, 351615), (10, 281292), (11, 255720), (12, 234410), (15, 187528), (20, 140646), (22, 127860), (24, 117205), (30, 93764), (33, 85240), (40, 70323), (44, 63930), (55, 51144), (60, 46882), (66, 42620), (88, 31965), (110, 25572), (120, 23441), (132, 21310), (165, 17048), (220, 12786), (264, 10655), (330, 8524), (440, 6393), (660, 4262), (1320, 2131)]