1640982240

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{997}}^1$

素因数の和:1151

約数の個数: 240

約数和(自身を含む): 5842755072

約数和(自身を除く): 4201772832

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, 127, 135, 144, 160, 162, 180, 216, 240, 254, 270, 288, 324, 360, 381, 405, 432, 480, 508, 540, 635, 648, 720, 762, 810, 864, 997, 1016, 1080, 1143, 1270, 1296, 1440, 1524, 1620, 1905, 1994, 2032, 2160, 2286, 2540, 2592, 2991, 3048, 3240, 3429, 3810, 3988, 4064, 4320, 4572, 4985, 5080, 5715, 5982, 6096, 6480, 6858, 7620, 7976, 8973, 9144, 9970, 10160, 10287, 11430, 11964, 12192, 12960, 13716, 14955, 15240, 15952, 17145, 17946, 18288, 19940, 20320, 20574, 22860, 23928, 26919, 27432, 29910, 30480, 31904, 34290, 35892, 36576, 39880, 41148, 44865, 45720, 47856, 51435, 53838, 54864, 59820, 60960, 68580, 71784, 79760, 80757, 82296, 89730, 91440, 95712, 102870, 107676, 109728, 119640, 126619, 134595, 137160, 143568, 159520, 161514, 164592, 179460, 182880, 205740, 215352, 239280, 253238, 269190, 274320, 287136, 323028, 329184, 358920, 379857, 403785, 411480, 430704, 478560, 506476, 538380, 548640, 633095, 646056, 717840, 759714, 807570, 822960, 861408, 1012952, 1076760, 1139571, 1266190, 1292112, 1435680, 1519428, 1615140, 1645920, 1899285, 2025904, 2153520, 2279142, 2532380, 2584224, 3038856, 3230280, 3418713, 3798570, 4051808, 4307040, 4558284, 5064760, 5697855, 6077712, 6460560, 6837426, 7597140, 9116568, 10129520, 10256139, 11395710, 12155424, 12921120, 13674852, 15194280, 17093565, 18233136, 20259040, 20512278, 22791420, 27349704, 30388560, 34187130, 36466272, 41024556, 45582840, 51280695, 54699408, 60777120, 68374260, 82049112, 91165680, 102561390, 109398816, 136748520, 164098224, 182331360, 205122780, 273497040, 328196448, 410245560, 546994080, 820491120, 1640982240]

約数ペア:

[(1, 1640982240), (2, 820491120), (3, 546994080), (4, 410245560), (5, 328196448), (6, 273497040), (8, 205122780), (9, 182331360), (10, 164098224), (12, 136748520), (15, 109398816), (16, 102561390), (18, 91165680), (20, 82049112), (24, 68374260), (27, 60777120), (30, 54699408), (32, 51280695), (36, 45582840), (40, 41024556), (45, 36466272), (48, 34187130), (54, 30388560), (60, 27349704), (72, 22791420), (80, 20512278), (81, 20259040), (90, 18233136), (96, 17093565), (108, 15194280), (120, 13674852), (127, 12921120), (135, 12155424), (144, 11395710), (160, 10256139), (162, 10129520), (180, 9116568), (216, 7597140), (240, 6837426), (254, 6460560), (270, 6077712), (288, 5697855), (324, 5064760), (360, 4558284), (381, 4307040), (405, 4051808), (432, 3798570), (480, 3418713), (508, 3230280), (540, 3038856), (635, 2584224), (648, 2532380), (720, 2279142), (762, 2153520), (810, 2025904), (864, 1899285), (997, 1645920), (1016, 1615140), (1080, 1519428), (1143, 1435680), (1270, 1292112), (1296, 1266190), (1440, 1139571), (1524, 1076760), (1620, 1012952), (1905, 861408), (1994, 822960), (2032, 807570), (2160, 759714), (2286, 717840), (2540, 646056), (2592, 633095), (2991, 548640), (3048, 538380), (3240, 506476), (3429, 478560), (3810, 430704), (3988, 411480), (4064, 403785), (4320, 379857), (4572, 358920), (4985, 329184), (5080, 323028), (5715, 287136), (5982, 274320), (6096, 269190), (6480, 253238), (6858, 239280), (7620, 215352), (7976, 205740), (8973, 182880), (9144, 179460), (9970, 164592), (10160, 161514), (10287, 159520), (11430, 143568), (11964, 137160), (12192, 134595), (12960, 126619), (13716, 119640), (14955, 109728), (15240, 107676), (15952, 102870), (17145, 95712), (17946, 91440), (18288, 89730), (19940, 82296), (20320, 80757), (20574, 79760), (22860, 71784), (23928, 68580), (26919, 60960), (27432, 59820), (29910, 54864), (30480, 53838), (31904, 51435), (34290, 47856), (35892, 45720), (36576, 44865), (39880, 41148)]