28550760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{829}}^1$

素因数の和:891

約数の個数: 128

約数和(自身を含む): 100396800

約数和(自身を除く): 71846040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 56, 60, 70, 82, 84, 105, 120, 123, 140, 164, 168, 205, 210, 246, 280, 287, 328, 410, 420, 492, 574, 615, 820, 829, 840, 861, 984, 1148, 1230, 1435, 1640, 1658, 1722, 2296, 2460, 2487, 2870, 3316, 3444, 4145, 4305, 4920, 4974, 5740, 5803, 6632, 6888, 8290, 8610, 9948, 11480, 11606, 12435, 16580, 17220, 17409, 19896, 23212, 24870, 29015, 33160, 33989, 34440, 34818, 46424, 49740, 58030, 67978, 69636, 87045, 99480, 101967, 116060, 135956, 139272, 169945, 174090, 203934, 232120, 237923, 271912, 339890, 348180, 407868, 475846, 509835, 679780, 696360, 713769, 815736, 951692, 1019670, 1189615, 1359560, 1427538, 1903384, 2039340, 2379230, 2855076, 3568845, 4078680, 4758460, 5710152, 7137690, 9516920, 14275380, 28550760]

約数ペア:

[(1, 28550760), (2, 14275380), (3, 9516920), (4, 7137690), (5, 5710152), (6, 4758460), (7, 4078680), (8, 3568845), (10, 2855076), (12, 2379230), (14, 2039340), (15, 1903384), (20, 1427538), (21, 1359560), (24, 1189615), (28, 1019670), (30, 951692), (35, 815736), (40, 713769), (41, 696360), (42, 679780), (56, 509835), (60, 475846), (70, 407868), (82, 348180), (84, 339890), (105, 271912), (120, 237923), (123, 232120), (140, 203934), (164, 174090), (168, 169945), (205, 139272), (210, 135956), (246, 116060), (280, 101967), (287, 99480), (328, 87045), (410, 69636), (420, 67978), (492, 58030), (574, 49740), (615, 46424), (820, 34818), (829, 34440), (840, 33989), (861, 33160), (984, 29015), (1148, 24870), (1230, 23212), (1435, 19896), (1640, 17409), (1658, 17220), (1722, 16580), (2296, 12435), (2460, 11606), (2487, 11480), (2870, 9948), (3316, 8610), (3444, 8290), (4145, 6888), (4305, 6632), (4920, 5803), (4974, 5740)]