28309680

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:204

約数の個数: 240

約数和(自身を含む): 112117824

約数和(自身を除く): 83808144

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 41, 42, 45, 48, 56, 60, 63, 70, 72, 80, 82, 84, 90, 105, 112, 120, 123, 126, 137, 140, 144, 164, 168, 180, 205, 210, 240, 246, 252, 274, 280, 287, 315, 328, 336, 360, 369, 410, 411, 420, 492, 504, 548, 560, 574, 615, 630, 656, 685, 720, 738, 820, 822, 840, 861, 959, 984, 1008, 1096, 1148, 1230, 1233, 1260, 1370, 1435, 1476, 1640, 1644, 1680, 1722, 1845, 1918, 1968, 2055, 2192, 2296, 2460, 2466, 2520, 2583, 2740, 2870, 2877, 2952, 3280, 3288, 3444, 3690, 3836, 4110, 4305, 4592, 4795, 4920, 4932, 5040, 5166, 5480, 5617, 5740, 5754, 5904, 6165, 6576, 6888, 7380, 7672, 8220, 8610, 8631, 9590, 9840, 9864, 10332, 10960, 11234, 11480, 11508, 12330, 12915, 13776, 14385, 14760, 15344, 16440, 16851, 17220, 17262, 19180, 19728, 20664, 22468, 22960, 23016, 24660, 25830, 28085, 28770, 29520, 32880, 33702, 34440, 34524, 38360, 39319, 41328, 43155, 44936, 46032, 49320, 50553, 51660, 56170, 57540, 67404, 68880, 69048, 76720, 78638, 84255, 86310, 89872, 98640, 101106, 103320, 112340, 115080, 117957, 134808, 138096, 157276, 168510, 172620, 196595, 202212, 206640, 224680, 230160, 235914, 252765, 269616, 314552, 337020, 345240, 353871, 393190, 404424, 449360, 471828, 505530, 589785, 629104, 674040, 690480, 707742, 786380, 808848, 943656, 1011060, 1179570, 1348080, 1415484, 1572760, 1769355, 1887312, 2022120, 2359140, 2830968, 3145520, 3538710, 4044240, 4718280, 5661936, 7077420, 9436560, 14154840, 28309680]

約数ペア:

[(1, 28309680), (2, 14154840), (3, 9436560), (4, 7077420), (5, 5661936), (6, 4718280), (7, 4044240), (8, 3538710), (9, 3145520), (10, 2830968), (12, 2359140), (14, 2022120), (15, 1887312), (16, 1769355), (18, 1572760), (20, 1415484), (21, 1348080), (24, 1179570), (28, 1011060), (30, 943656), (35, 808848), (36, 786380), (40, 707742), (41, 690480), (42, 674040), (45, 629104), (48, 589785), (56, 505530), (60, 471828), (63, 449360), (70, 404424), (72, 393190), (80, 353871), (82, 345240), (84, 337020), (90, 314552), (105, 269616), (112, 252765), (120, 235914), (123, 230160), (126, 224680), (137, 206640), (140, 202212), (144, 196595), (164, 172620), (168, 168510), (180, 157276), (205, 138096), (210, 134808), (240, 117957), (246, 115080), (252, 112340), (274, 103320), (280, 101106), (287, 98640), (315, 89872), (328, 86310), (336, 84255), (360, 78638), (369, 76720), (410, 69048), (411, 68880), (420, 67404), (492, 57540), (504, 56170), (548, 51660), (560, 50553), (574, 49320), (615, 46032), (630, 44936), (656, 43155), (685, 41328), (720, 39319), (738, 38360), (820, 34524), (822, 34440), (840, 33702), (861, 32880), (959, 29520), (984, 28770), (1008, 28085), (1096, 25830), (1148, 24660), (1230, 23016), (1233, 22960), (1260, 22468), (1370, 20664), (1435, 19728), (1476, 19180), (1640, 17262), (1644, 17220), (1680, 16851), (1722, 16440), (1845, 15344), (1918, 14760), (1968, 14385), (2055, 13776), (2192, 12915), (2296, 12330), (2460, 11508), (2466, 11480), (2520, 11234), (2583, 10960), (2740, 10332), (2870, 9864), (2877, 9840), (2952, 9590), (3280, 8631), (3288, 8610), (3444, 8220), (3690, 7672), (3836, 7380), (4110, 6888), (4305, 6576), (4592, 6165), (4795, 5904), (4920, 5754), (4932, 5740), (5040, 5617), (5166, 5480)]