428499120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{439}}^1$

素因数の和:552

約数の個数: 240

約数和(自身を含む): 1567399680

約数和(自身を除く): 1138900560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 83, 84, 98, 105, 112, 120, 140, 147, 166, 168, 196, 210, 240, 245, 249, 280, 294, 332, 336, 392, 415, 420, 439, 490, 498, 560, 581, 588, 664, 735, 784, 830, 840, 878, 980, 996, 1162, 1176, 1245, 1317, 1328, 1470, 1660, 1680, 1743, 1756, 1960, 1992, 2195, 2324, 2352, 2490, 2634, 2905, 2940, 3073, 3320, 3486, 3512, 3920, 3984, 4067, 4390, 4648, 4980, 5268, 5810, 5880, 6146, 6585, 6640, 6972, 7024, 8134, 8715, 8780, 9219, 9296, 9960, 10536, 11620, 11760, 12201, 12292, 13170, 13944, 15365, 16268, 17430, 17560, 18438, 19920, 20335, 21072, 21511, 23240, 24402, 24584, 26340, 27888, 30730, 32536, 34860, 35120, 36437, 36876, 40670, 43022, 46095, 46480, 48804, 49168, 52680, 61005, 61460, 64533, 65072, 69720, 72874, 73752, 81340, 86044, 92190, 97608, 105360, 107555, 109311, 122010, 122920, 129066, 139440, 145748, 147504, 162680, 172088, 182185, 184380, 195216, 215110, 218622, 244020, 245840, 255059, 258132, 291496, 322665, 325360, 344176, 364370, 368760, 430220, 437244, 488040, 510118, 516264, 546555, 582992, 645330, 728740, 737520, 765177, 860440, 874488, 976080, 1020236, 1032528, 1093110, 1275295, 1290660, 1457480, 1530354, 1720880, 1748976, 1785413, 2040472, 2186220, 2550590, 2581320, 2914960, 3060708, 3570826, 3825885, 4080944, 4372440, 5101180, 5162640, 5356239, 6121416, 7141652, 7651770, 8744880, 8927065, 10202360, 10712478, 12242832, 14283304, 15303540, 17854130, 20404720, 21424956, 26781195, 28566608, 30607080, 35708260, 42849912, 53562390, 61214160, 71416520, 85699824, 107124780, 142833040, 214249560, 428499120]

約数ペア:

[(1, 428499120), (2, 214249560), (3, 142833040), (4, 107124780), (5, 85699824), (6, 71416520), (7, 61214160), (8, 53562390), (10, 42849912), (12, 35708260), (14, 30607080), (15, 28566608), (16, 26781195), (20, 21424956), (21, 20404720), (24, 17854130), (28, 15303540), (30, 14283304), (35, 12242832), (40, 10712478), (42, 10202360), (48, 8927065), (49, 8744880), (56, 7651770), (60, 7141652), (70, 6121416), (80, 5356239), (83, 5162640), (84, 5101180), (98, 4372440), (105, 4080944), (112, 3825885), (120, 3570826), (140, 3060708), (147, 2914960), (166, 2581320), (168, 2550590), (196, 2186220), (210, 2040472), (240, 1785413), (245, 1748976), (249, 1720880), (280, 1530354), (294, 1457480), (332, 1290660), (336, 1275295), (392, 1093110), (415, 1032528), (420, 1020236), (439, 976080), (490, 874488), (498, 860440), (560, 765177), (581, 737520), (588, 728740), (664, 645330), (735, 582992), (784, 546555), (830, 516264), (840, 510118), (878, 488040), (980, 437244), (996, 430220), (1162, 368760), (1176, 364370), (1245, 344176), (1317, 325360), (1328, 322665), (1470, 291496), (1660, 258132), (1680, 255059), (1743, 245840), (1756, 244020), (1960, 218622), (1992, 215110), (2195, 195216), (2324, 184380), (2352, 182185), (2490, 172088), (2634, 162680), (2905, 147504), (2940, 145748), (3073, 139440), (3320, 129066), (3486, 122920), (3512, 122010), (3920, 109311), (3984, 107555), (4067, 105360), (4390, 97608), (4648, 92190), (4980, 86044), (5268, 81340), (5810, 73752), (5880, 72874), (6146, 69720), (6585, 65072), (6640, 64533), (6972, 61460), (7024, 61005), (8134, 52680), (8715, 49168), (8780, 48804), (9219, 46480), (9296, 46095), (9960, 43022), (10536, 40670), (11620, 36876), (11760, 36437), (12201, 35120), (12292, 34860), (13170, 32536), (13944, 30730), (15365, 27888), (16268, 26340), (17430, 24584), (17560, 24402), (18438, 23240), (19920, 21511), (20335, 21072)]