1821631680

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6389}}^1$

素因数の和:6429

約数の個数: 280

約数和(自身を含む): 7070049360

約数和(自身を除く): 5248417680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 64, 66, 72, 80, 81, 88, 90, 96, 99, 108, 110, 120, 132, 135, 144, 160, 162, 165, 176, 180, 192, 198, 216, 220, 240, 264, 270, 288, 297, 320, 324, 330, 352, 360, 396, 405, 432, 440, 480, 495, 528, 540, 576, 594, 648, 660, 704, 720, 792, 810, 864, 880, 891, 960, 990, 1056, 1080, 1188, 1296, 1320, 1440, 1485, 1584, 1620, 1728, 1760, 1782, 1980, 2112, 2160, 2376, 2592, 2640, 2880, 2970, 3168, 3240, 3520, 3564, 3960, 4320, 4455, 4752, 5184, 5280, 5940, 6336, 6389, 6480, 7128, 7920, 8640, 8910, 9504, 10560, 11880, 12778, 12960, 14256, 15840, 17820, 19008, 19167, 23760, 25556, 25920, 28512, 31680, 31945, 35640, 38334, 47520, 51112, 57024, 57501, 63890, 70279, 71280, 76668, 95040, 95835, 102224, 115002, 127780, 140558, 142560, 153336, 172503, 191670, 204448, 210837, 230004, 255560, 281116, 285120, 287505, 306672, 345006, 351395, 383340, 408896, 421674, 460008, 511120, 517509, 562232, 575010, 613344, 632511, 690012, 702790, 766680, 843348, 862515, 920016, 1022240, 1035018, 1054185, 1124464, 1150020, 1226688, 1265022, 1380024, 1405580, 1533360, 1686696, 1725030, 1840032, 1897533, 2044480, 2070036, 2108370, 2248928, 2300040, 2530044, 2587545, 2760048, 2811160, 3066720, 3162555, 3373392, 3450060, 3680064, 3795066, 4140072, 4216740, 4497856, 4600080, 5060088, 5175090, 5520096, 5622320, 5692599, 6133440, 6325110, 6746784, 6900120, 7590132, 8280144, 8433480, 9200160, 9487665, 10120176, 10350180, 11040192, 11244640, 11385198, 12650220, 13493568, 13800240, 15180264, 16560288, 16866960, 18400320, 18975330, 20240352, 20700360, 22489280, 22770396, 25300440, 27600480, 28462995, 30360528, 33120576, 33733920, 37950660, 40480704, 41400720, 45540792, 50600880, 55200960, 56925990, 60721056, 67467840, 75901320, 82801440, 91081584, 101201760, 113851980, 121442112, 151802640, 165602880, 182163168, 202403520, 227703960, 303605280, 364326336, 455407920, 607210560, 910815840, 1821631680]

約数ペア:

[(1, 1821631680), (2, 910815840), (3, 607210560), (4, 455407920), (5, 364326336), (6, 303605280), (8, 227703960), (9, 202403520), (10, 182163168), (11, 165602880), (12, 151802640), (15, 121442112), (16, 113851980), (18, 101201760), (20, 91081584), (22, 82801440), (24, 75901320), (27, 67467840), (30, 60721056), (32, 56925990), (33, 55200960), (36, 50600880), (40, 45540792), (44, 41400720), (45, 40480704), (48, 37950660), (54, 33733920), (55, 33120576), (60, 30360528), (64, 28462995), (66, 27600480), (72, 25300440), (80, 22770396), (81, 22489280), (88, 20700360), (90, 20240352), (96, 18975330), (99, 18400320), (108, 16866960), (110, 16560288), (120, 15180264), (132, 13800240), (135, 13493568), (144, 12650220), (160, 11385198), (162, 11244640), (165, 11040192), (176, 10350180), (180, 10120176), (192, 9487665), (198, 9200160), (216, 8433480), (220, 8280144), (240, 7590132), (264, 6900120), (270, 6746784), (288, 6325110), (297, 6133440), (320, 5692599), (324, 5622320), (330, 5520096), (352, 5175090), (360, 5060088), (396, 4600080), (405, 4497856), (432, 4216740), (440, 4140072), (480, 3795066), (495, 3680064), (528, 3450060), (540, 3373392), (576, 3162555), (594, 3066720), (648, 2811160), (660, 2760048), (704, 2587545), (720, 2530044), (792, 2300040), (810, 2248928), (864, 2108370), (880, 2070036), (891, 2044480), (960, 1897533), (990, 1840032), (1056, 1725030), (1080, 1686696), (1188, 1533360), (1296, 1405580), (1320, 1380024), (1440, 1265022), (1485, 1226688), (1584, 1150020), (1620, 1124464), (1728, 1054185), (1760, 1035018), (1782, 1022240), (1980, 920016), (2112, 862515), (2160, 843348), (2376, 766680), (2592, 702790), (2640, 690012), (2880, 632511), (2970, 613344), (3168, 575010), (3240, 562232), (3520, 517509), (3564, 511120), (3960, 460008), (4320, 421674), (4455, 408896), (4752, 383340), (5184, 351395), (5280, 345006), (5940, 306672), (6336, 287505), (6389, 285120), (6480, 281116), (7128, 255560), (7920, 230004), (8640, 210837), (8910, 204448), (9504, 191670), (10560, 172503), (11880, 153336), (12778, 142560), (12960, 140558), (14256, 127780), (15840, 115002), (17820, 102224), (19008, 95835), (19167, 95040), (23760, 76668), (25556, 71280), (25920, 70279), (28512, 63890), (31680, 57501), (31945, 57024), (35640, 51112), (38334, 47520)]