8140440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{881}}^1$

素因数の和:913

約数の個数: 128

約数和(自身を含む): 30481920

約数和(自身を除く): 22341480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 881, 924, 1155, 1320, 1540, 1762, 1848, 2310, 2643, 3080, 3524, 4405, 4620, 5286, 6167, 7048, 8810, 9240, 9691, 10572, 12334, 13215, 17620, 18501, 19382, 21144, 24668, 26430, 29073, 30835, 35240, 37002, 38764, 48455, 49336, 52860, 58146, 61670, 67837, 74004, 77528, 92505, 96910, 105720, 116292, 123340, 135674, 145365, 148008, 185010, 193820, 203511, 232584, 246680, 271348, 290730, 339185, 370020, 387640, 407022, 542696, 581460, 678370, 740040, 814044, 1017555, 1162920, 1356740, 1628088, 2035110, 2713480, 4070220, 8140440]

約数ペア:

[(1, 8140440), (2, 4070220), (3, 2713480), (4, 2035110), (5, 1628088), (6, 1356740), (7, 1162920), (8, 1017555), (10, 814044), (11, 740040), (12, 678370), (14, 581460), (15, 542696), (20, 407022), (21, 387640), (22, 370020), (24, 339185), (28, 290730), (30, 271348), (33, 246680), (35, 232584), (40, 203511), (42, 193820), (44, 185010), (55, 148008), (56, 145365), (60, 135674), (66, 123340), (70, 116292), (77, 105720), (84, 96910), (88, 92505), (105, 77528), (110, 74004), (120, 67837), (132, 61670), (140, 58146), (154, 52860), (165, 49336), (168, 48455), (210, 38764), (220, 37002), (231, 35240), (264, 30835), (280, 29073), (308, 26430), (330, 24668), (385, 21144), (420, 19382), (440, 18501), (462, 17620), (616, 13215), (660, 12334), (770, 10572), (840, 9691), (881, 9240), (924, 8810), (1155, 7048), (1320, 6167), (1540, 5286), (1762, 4620), (1848, 4405), (2310, 3524), (2643, 3080)]