1638001440

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{599}}^1$

素因数の和:837

約数の個数: 240

約数和(自身を含む): 5817873600

約数和(自身を除く): 4179872160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 211, 216, 240, 270, 288, 324, 360, 405, 422, 432, 480, 540, 599, 633, 648, 720, 810, 844, 864, 1055, 1080, 1198, 1266, 1296, 1440, 1620, 1688, 1797, 1899, 2110, 2160, 2396, 2532, 2592, 2995, 3165, 3240, 3376, 3594, 3798, 4220, 4320, 4792, 5064, 5391, 5697, 5990, 6330, 6480, 6752, 7188, 7596, 8440, 8985, 9495, 9584, 10128, 10782, 11394, 11980, 12660, 12960, 14376, 15192, 16173, 16880, 17091, 17970, 18990, 19168, 20256, 21564, 22788, 23960, 25320, 26955, 28485, 28752, 30384, 32346, 33760, 34182, 35940, 37980, 43128, 45576, 47920, 48519, 50640, 53910, 56970, 57504, 60768, 64692, 68364, 71880, 75960, 80865, 85455, 86256, 91152, 95840, 97038, 101280, 107820, 113940, 126389, 129384, 136728, 143760, 151920, 161730, 170910, 172512, 182304, 194076, 215640, 227880, 242595, 252778, 258768, 273456, 287520, 303840, 323460, 341820, 379167, 388152, 431280, 455760, 485190, 505556, 517536, 546912, 631945, 646920, 683640, 758334, 776304, 862560, 911520, 970380, 1011112, 1137501, 1263890, 1293840, 1367280, 1516668, 1552608, 1895835, 1940760, 2022224, 2275002, 2527780, 2587680, 2734560, 3033336, 3412503, 3791670, 3881520, 4044448, 4550004, 5055560, 5687505, 6066672, 6825006, 7583340, 7763040, 9100008, 10111120, 10237509, 11375010, 12133344, 13650012, 15166680, 17062515, 18200016, 20222240, 20475018, 22750020, 27300024, 30333360, 34125030, 36400032, 40950036, 45500040, 51187545, 54600048, 60666720, 68250060, 81900072, 91000080, 102375090, 109200096, 136500120, 163800144, 182000160, 204750180, 273000240, 327600288, 409500360, 546000480, 819000720, 1638001440]

約数ペア:

[(1, 1638001440), (2, 819000720), (3, 546000480), (4, 409500360), (5, 327600288), (6, 273000240), (8, 204750180), (9, 182000160), (10, 163800144), (12, 136500120), (15, 109200096), (16, 102375090), (18, 91000080), (20, 81900072), (24, 68250060), (27, 60666720), (30, 54600048), (32, 51187545), (36, 45500040), (40, 40950036), (45, 36400032), (48, 34125030), (54, 30333360), (60, 27300024), (72, 22750020), (80, 20475018), (81, 20222240), (90, 18200016), (96, 17062515), (108, 15166680), (120, 13650012), (135, 12133344), (144, 11375010), (160, 10237509), (162, 10111120), (180, 9100008), (211, 7763040), (216, 7583340), (240, 6825006), (270, 6066672), (288, 5687505), (324, 5055560), (360, 4550004), (405, 4044448), (422, 3881520), (432, 3791670), (480, 3412503), (540, 3033336), (599, 2734560), (633, 2587680), (648, 2527780), (720, 2275002), (810, 2022224), (844, 1940760), (864, 1895835), (1055, 1552608), (1080, 1516668), (1198, 1367280), (1266, 1293840), (1296, 1263890), (1440, 1137501), (1620, 1011112), (1688, 970380), (1797, 911520), (1899, 862560), (2110, 776304), (2160, 758334), (2396, 683640), (2532, 646920), (2592, 631945), (2995, 546912), (3165, 517536), (3240, 505556), (3376, 485190), (3594, 455760), (3798, 431280), (4220, 388152), (4320, 379167), (4792, 341820), (5064, 323460), (5391, 303840), (5697, 287520), (5990, 273456), (6330, 258768), (6480, 252778), (6752, 242595), (7188, 227880), (7596, 215640), (8440, 194076), (8985, 182304), (9495, 172512), (9584, 170910), (10128, 161730), (10782, 151920), (11394, 143760), (11980, 136728), (12660, 129384), (12960, 126389), (14376, 113940), (15192, 107820), (16173, 101280), (16880, 97038), (17091, 95840), (17970, 91152), (18990, 86256), (19168, 85455), (20256, 80865), (21564, 75960), (22788, 71880), (23960, 68364), (25320, 64692), (26955, 60768), (28485, 57504), (28752, 56970), (30384, 53910), (32346, 50640), (33760, 48519), (34182, 47920), (35940, 45576), (37980, 43128)]