16280880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{881}}^1$

素因数の和:915

約数の個数: 160

約数和(自身を含む): 62995968

約数和(自身を除く): 46715088

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 105, 110, 112, 120, 132, 140, 154, 165, 168, 176, 210, 220, 231, 240, 264, 280, 308, 330, 336, 385, 420, 440, 462, 528, 560, 616, 660, 770, 840, 880, 881, 924, 1155, 1232, 1320, 1540, 1680, 1762, 1848, 2310, 2640, 2643, 3080, 3524, 3696, 4405, 4620, 5286, 6160, 6167, 7048, 8810, 9240, 9691, 10572, 12334, 13215, 14096, 17620, 18480, 18501, 19382, 21144, 24668, 26430, 29073, 30835, 35240, 37002, 38764, 42288, 48455, 49336, 52860, 58146, 61670, 67837, 70480, 74004, 77528, 92505, 96910, 98672, 105720, 116292, 123340, 135674, 145365, 148008, 155056, 185010, 193820, 203511, 211440, 232584, 246680, 271348, 290730, 296016, 339185, 370020, 387640, 407022, 465168, 493360, 542696, 581460, 678370, 740040, 775280, 814044, 1017555, 1085392, 1162920, 1356740, 1480080, 1628088, 2035110, 2325840, 2713480, 3256176, 4070220, 5426960, 8140440, 16280880]

約数ペア:

[(1, 16280880), (2, 8140440), (3, 5426960), (4, 4070220), (5, 3256176), (6, 2713480), (7, 2325840), (8, 2035110), (10, 1628088), (11, 1480080), (12, 1356740), (14, 1162920), (15, 1085392), (16, 1017555), (20, 814044), (21, 775280), (22, 740040), (24, 678370), (28, 581460), (30, 542696), (33, 493360), (35, 465168), (40, 407022), (42, 387640), (44, 370020), (48, 339185), (55, 296016), (56, 290730), (60, 271348), (66, 246680), (70, 232584), (77, 211440), (80, 203511), (84, 193820), (88, 185010), (105, 155056), (110, 148008), (112, 145365), (120, 135674), (132, 123340), (140, 116292), (154, 105720), (165, 98672), (168, 96910), (176, 92505), (210, 77528), (220, 74004), (231, 70480), (240, 67837), (264, 61670), (280, 58146), (308, 52860), (330, 49336), (336, 48455), (385, 42288), (420, 38764), (440, 37002), (462, 35240), (528, 30835), (560, 29073), (616, 26430), (660, 24668), (770, 21144), (840, 19382), (880, 18501), (881, 18480), (924, 17620), (1155, 14096), (1232, 13215), (1320, 12334), (1540, 10572), (1680, 9691), (1762, 9240), (1848, 8810), (2310, 7048), (2640, 6167), (2643, 6160), (3080, 5286), (3524, 4620), (3696, 4405)]