19179681920

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{2131}}^1$

素因数の和:2212

約数の個数: 256

約数和(自身を含む): 54800928000

約数和(自身を除く): 35621246080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 49, 56, 64, 70, 80, 82, 98, 112, 128, 140, 160, 164, 196, 205, 224, 245, 280, 287, 320, 328, 343, 392, 410, 448, 490, 560, 574, 640, 656, 686, 784, 820, 896, 980, 1120, 1148, 1312, 1372, 1435, 1568, 1640, 1715, 1960, 2009, 2131, 2240, 2296, 2624, 2744, 2870, 3136, 3280, 3430, 3920, 4018, 4262, 4480, 4592, 5248, 5488, 5740, 6272, 6560, 6860, 7840, 8036, 8524, 9184, 10045, 10655, 10976, 11480, 13120, 13720, 14063, 14917, 15680, 16072, 17048, 18368, 20090, 21310, 21952, 22960, 26240, 27440, 28126, 29834, 31360, 32144, 34096, 36736, 40180, 42620, 43904, 45920, 54880, 56252, 59668, 64288, 68192, 70315, 74585, 80360, 85240, 87371, 91840, 104419, 109760, 112504, 119336, 128576, 136384, 140630, 149170, 160720, 170480, 174742, 183680, 208838, 219520, 225008, 238672, 257152, 272768, 281260, 298340, 321440, 340960, 349484, 417676, 436855, 450016, 477344, 522095, 562520, 596680, 611597, 642880, 681920, 698968, 730933, 835352, 873710, 900032, 954688, 1044190, 1125040, 1193360, 1223194, 1285760, 1363840, 1397936, 1461866, 1670704, 1747420, 1800064, 1909376, 2088380, 2250080, 2386720, 2446388, 2795872, 2923732, 3057985, 3341408, 3494840, 3654665, 4176760, 4281179, 4500160, 4773440, 4892776, 5591744, 5847464, 6115970, 6682816, 6989680, 7309330, 8353520, 8562358, 9000320, 9546880, 9785552, 11183488, 11694928, 12231940, 13365632, 13979360, 14618660, 16707040, 17124716, 19571104, 21405895, 23389856, 24463880, 27958720, 29237320, 29968253, 33414080, 34249432, 39142208, 42811790, 46779712, 48927760, 55917440, 58474640, 59936506, 66828160, 68498864, 78284416, 85623580, 93559424, 97855520, 116949280, 119873012, 136997728, 149841265, 171247160, 195711040, 233898560, 239746024, 273995456, 299682530, 342494320, 391422080, 467797120, 479492048, 547990912, 599365060, 684988640, 958984096, 1198730120, 1369977280, 1917968192, 2397460240, 2739954560, 3835936384, 4794920480, 9589840960, 19179681920]

約数ペア:

[(1, 19179681920), (2, 9589840960), (4, 4794920480), (5, 3835936384), (7, 2739954560), (8, 2397460240), (10, 1917968192), (14, 1369977280), (16, 1198730120), (20, 958984096), (28, 684988640), (32, 599365060), (35, 547990912), (40, 479492048), (41, 467797120), (49, 391422080), (56, 342494320), (64, 299682530), (70, 273995456), (80, 239746024), (82, 233898560), (98, 195711040), (112, 171247160), (128, 149841265), (140, 136997728), (160, 119873012), (164, 116949280), (196, 97855520), (205, 93559424), (224, 85623580), (245, 78284416), (280, 68498864), (287, 66828160), (320, 59936506), (328, 58474640), (343, 55917440), (392, 48927760), (410, 46779712), (448, 42811790), (490, 39142208), (560, 34249432), (574, 33414080), (640, 29968253), (656, 29237320), (686, 27958720), (784, 24463880), (820, 23389856), (896, 21405895), (980, 19571104), (1120, 17124716), (1148, 16707040), (1312, 14618660), (1372, 13979360), (1435, 13365632), (1568, 12231940), (1640, 11694928), (1715, 11183488), (1960, 9785552), (2009, 9546880), (2131, 9000320), (2240, 8562358), (2296, 8353520), (2624, 7309330), (2744, 6989680), (2870, 6682816), (3136, 6115970), (3280, 5847464), (3430, 5591744), (3920, 4892776), (4018, 4773440), (4262, 4500160), (4480, 4281179), (4592, 4176760), (5248, 3654665), (5488, 3494840), (5740, 3341408), (6272, 3057985), (6560, 2923732), (6860, 2795872), (7840, 2446388), (8036, 2386720), (8524, 2250080), (9184, 2088380), (10045, 1909376), (10655, 1800064), (10976, 1747420), (11480, 1670704), (13120, 1461866), (13720, 1397936), (14063, 1363840), (14917, 1285760), (15680, 1223194), (16072, 1193360), (17048, 1125040), (18368, 1044190), (20090, 954688), (21310, 900032), (21952, 873710), (22960, 835352), (26240, 730933), (27440, 698968), (28126, 681920), (29834, 642880), (31360, 611597), (32144, 596680), (34096, 562520), (36736, 522095), (40180, 477344), (42620, 450016), (43904, 436855), (45920, 417676), (54880, 349484), (56252, 340960), (59668, 321440), (64288, 298340), (68192, 281260), (70315, 272768), (74585, 257152), (80360, 238672), (85240, 225008), (87371, 219520), (91840, 208838), (104419, 183680), (109760, 174742), (112504, 170480), (119336, 160720), (128576, 149170), (136384, 140630)]