1969733920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2621}}^1$

素因数の和:2715

約数の個数: 192

約数和(自身を含む): 5899122432

約数和(自身を除く): 3929388512

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 61, 70, 77, 80, 88, 110, 112, 122, 140, 154, 160, 176, 220, 224, 244, 280, 305, 308, 352, 385, 427, 440, 488, 560, 610, 616, 671, 770, 854, 880, 976, 1120, 1220, 1232, 1342, 1540, 1708, 1760, 1952, 2135, 2440, 2464, 2621, 2684, 3080, 3355, 3416, 4270, 4697, 4880, 5242, 5368, 6160, 6710, 6832, 8540, 9394, 9760, 10484, 10736, 12320, 13105, 13420, 13664, 17080, 18347, 18788, 20968, 21472, 23485, 26210, 26840, 28831, 34160, 36694, 37576, 41936, 46970, 52420, 53680, 57662, 68320, 73388, 75152, 83872, 91735, 93940, 104840, 107360, 115324, 144155, 146776, 150304, 159881, 183470, 187880, 201817, 209680, 230648, 288310, 293552, 319762, 366940, 375760, 403634, 419360, 461296, 576620, 587104, 639524, 733880, 751520, 799405, 807268, 922592, 1009085, 1119167, 1153240, 1279048, 1467760, 1598810, 1614536, 1758691, 2018170, 2238334, 2306480, 2558096, 2935520, 3197620, 3229072, 3517382, 4036340, 4476668, 4612960, 5116192, 5595835, 6395240, 6458144, 7034764, 8072680, 8793455, 8953336, 11191670, 12310837, 12790480, 14069528, 16145360, 17586910, 17906672, 22383340, 24621674, 25580960, 28139056, 32290720, 35173820, 35813344, 44766680, 49243348, 56278112, 61554185, 70347640, 89533360, 98486696, 123108370, 140695280, 179066720, 196973392, 246216740, 281390560, 393946784, 492433480, 984866960, 1969733920]

約数ペア:

[(1, 1969733920), (2, 984866960), (4, 492433480), (5, 393946784), (7, 281390560), (8, 246216740), (10, 196973392), (11, 179066720), (14, 140695280), (16, 123108370), (20, 98486696), (22, 89533360), (28, 70347640), (32, 61554185), (35, 56278112), (40, 49243348), (44, 44766680), (55, 35813344), (56, 35173820), (61, 32290720), (70, 28139056), (77, 25580960), (80, 24621674), (88, 22383340), (110, 17906672), (112, 17586910), (122, 16145360), (140, 14069528), (154, 12790480), (160, 12310837), (176, 11191670), (220, 8953336), (224, 8793455), (244, 8072680), (280, 7034764), (305, 6458144), (308, 6395240), (352, 5595835), (385, 5116192), (427, 4612960), (440, 4476668), (488, 4036340), (560, 3517382), (610, 3229072), (616, 3197620), (671, 2935520), (770, 2558096), (854, 2306480), (880, 2238334), (976, 2018170), (1120, 1758691), (1220, 1614536), (1232, 1598810), (1342, 1467760), (1540, 1279048), (1708, 1153240), (1760, 1119167), (1952, 1009085), (2135, 922592), (2440, 807268), (2464, 799405), (2621, 751520), (2684, 733880), (3080, 639524), (3355, 587104), (3416, 576620), (4270, 461296), (4697, 419360), (4880, 403634), (5242, 375760), (5368, 366940), (6160, 319762), (6710, 293552), (6832, 288310), (8540, 230648), (9394, 209680), (9760, 201817), (10484, 187880), (10736, 183470), (12320, 159881), (13105, 150304), (13420, 146776), (13664, 144155), (17080, 115324), (18347, 107360), (18788, 104840), (20968, 93940), (21472, 91735), (23485, 83872), (26210, 75152), (26840, 73388), (28831, 68320), (34160, 57662), (36694, 53680), (37576, 52420), (41936, 46970)]