20157709680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:278

約数の個数: 640

約数和(自身を含む): 75595161600

約数和(自身を除く): 55437451920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 47, 48, 54, 60, 69, 72, 80, 89, 90, 92, 94, 97, 108, 115, 120, 135, 138, 141, 144, 178, 180, 184, 188, 194, 207, 216, 230, 235, 240, 267, 270, 276, 282, 291, 345, 356, 360, 368, 376, 388, 414, 423, 432, 445, 460, 470, 485, 534, 540, 552, 564, 582, 621, 690, 705, 712, 720, 752, 776, 801, 828, 846, 873, 890, 920, 940, 970, 1035, 1068, 1080, 1081, 1104, 1128, 1164, 1242, 1269, 1335, 1380, 1410, 1424, 1455, 1552, 1602, 1656, 1692, 1746, 1780, 1840, 1880, 1940, 2047, 2070, 2115, 2136, 2160, 2162, 2231, 2256, 2328, 2403, 2484, 2538, 2619, 2670, 2760, 2820, 2910, 3105, 3204, 3243, 3312, 3384, 3492, 3560, 3760, 3880, 4005, 4094, 4140, 4183, 4230, 4272, 4324, 4365, 4462, 4559, 4656, 4806, 4968, 5076, 5238, 5340, 5405, 5520, 5640, 5820, 6141, 6210, 6345, 6408, 6486, 6693, 6768, 6984, 7120, 7760, 8010, 8188, 8280, 8366, 8460, 8633, 8648, 8730, 8924, 9118, 9612, 9729, 9936, 10152, 10235, 10476, 10680, 10810, 11155, 11280, 11640, 12015, 12282, 12420, 12549, 12690, 12816, 12972, 13095, 13386, 13677, 13968, 16020, 16215, 16376, 16560, 16732, 16920, 17266, 17296, 17460, 17848, 18236, 18423, 19224, 19458, 20079, 20304, 20470, 20915, 20952, 21360, 21620, 22310, 22795, 23280, 24030, 24564, 24840, 25098, 25380, 25899, 25944, 26190, 26772, 27354, 29187, 30705, 32040, 32430, 32752, 33464, 33465, 33840, 34532, 34920, 35696, 36472, 36846, 37647, 38448, 38916, 40158, 40940, 41031, 41830, 41904, 43165, 43240, 44620, 45590, 48060, 48645, 49128, 49680, 50196, 50760, 51798, 51888, 52380, 53544, 54708, 55269, 58374, 60237, 61410, 62745, 64080, 64860, 66928, 66930, 68385, 69064, 69840, 72944, 73692, 75294, 77697, 77832, 80316, 81880, 82062, 83660, 86330, 86480, 89240, 91180, 92115, 96120, 96209, 97290, 98256, 100392, 100395, 101520, 103596, 104760, 104857, 107088, 109416, 110538, 112941, 116748, 120474, 122820, 123093, 125490, 129495, 129720, 133860, 136770, 138128, 145935, 147384, 150588, 155394, 155664, 160632, 163760, 164124, 167320, 172660, 178480, 182360, 184230, 188235, 192240, 192418, 194580, 198559, 200784, 200790, 205155, 207192, 209520, 209714, 218832, 221076, 225882, 233091, 233496, 240948, 245640, 246186, 250980, 258990, 259440, 267720, 273540, 276345, 288627, 291870, 294768, 301176, 301185, 310788, 314571, 321264, 328248, 334640, 345320, 364720, 368460, 376470, 384836, 388485, 389160, 397118, 401580, 405751, 410310, 414384, 419428, 442152, 451764, 466182, 466992, 481045, 481896, 491280, 492372, 501960, 517980, 524285, 535440, 547080, 552690, 564705, 577254, 583740, 595677, 602352, 602370, 615465, 621576, 629142, 656496, 690640, 736920, 752940, 769672, 776970, 778320, 794236, 803160, 811502, 820620, 838856, 865881, 884304, 903528, 932364, 943713, 962090, 963792, 984744, 992795, 1003920, 1035960, 1048570, 1094160, 1105380, 1129410, 1154508, 1165455, 1167480, 1191354, 1204740, 1217253, 1230930, 1243152, 1258284, 1443135, 1473840, 1505880, 1539344, 1553940, 1572855, 1588472, 1606320, 1623004, 1641240, 1677712, 1731762, 1787031, 1807056, 1864728, 1887426, 1924180, 1969488, 1985590, 2028755, 2071920, 2097140, 2210760, 2258820, 2309016, 2330910, 2334960, 2382708, 2409480, 2434506, 2461860, 2516568, 2597643, 2831139, 2886270, 2978385, 3011760, 3107880, 3145710, 3176944, 3246008, 3282480, 3463524, 3574062, 3651759, 3729456, 3774852, 3848360, 3971180, 4057510, 4194280, 4329405, 4421520, 4517640, 4618032, 4661820, 4718565, 4765416, 4818960, 4869012, 4923720, 5033136, 5195286, 5361093, 5662278, 5772540, 5956770, 6086265, 6215760, 6291420, 6492016, 6927048, 7148124, 7303518, 7549704, 7696720, 7942360, 8115020, 8388560, 8658810, 8935155, 9035280, 9323640, 9332273, 9437130, 9530832, 9738024, 9847440, 10390572, 10722186, 10955277, 11324556, 11545080, 11913540, 12172530, 12582840, 12988215, 13854096, 14155695, 14296248, 14607036, 15099408, 15884720, 16230040, 17317620, 17870310, 18258795, 18647280, 18664546, 18874260, 19476048, 20781144, 21444372, 21910554, 22649112, 23090160, 23827080, 24345060, 25165680, 25976430, 26805465, 27996819, 28311390, 28592496, 29214072, 32460080, 34635240, 35740620, 36517590, 37329092, 37748520, 41562288, 42888744, 43821108, 45298224, 46661365, 47654160, 48690120, 51952860, 53610930, 54776385, 55993638, 56622780, 58428144, 69270480, 71481240, 73035180, 74658184, 75497040, 83990457, 85777488, 87642216, 93322730, 97380240, 103905720, 107221860, 109552770, 111987276, 113245560, 139984095, 142962480, 146070360, 149316368, 167980914, 175284432, 186645460, 207811440, 214443720, 219105540, 223974552, 226491120, 251971371, 279968190, 292140720, 335961828, 373290920, 419952285, 428887440, 438211080, 447949104, 503942742, 559936380, 671923656, 746581840, 839904570, 876422160, 1007885484, 1119872760, 1259856855, 1343847312, 1679809140, 2015770968, 2239745520, 2519713710, 3359618280, 4031541936, 5039427420, 6719236560, 10078854840, 20157709680]

約数ペア:

[(1, 20157709680), (2, 10078854840), (3, 6719236560), (4, 5039427420), (5, 4031541936), (6, 3359618280), (8, 2519713710), (9, 2239745520), (10, 2015770968), (12, 1679809140), (15, 1343847312), (16, 1259856855), (18, 1119872760), (20, 1007885484), (23, 876422160), (24, 839904570), (27, 746581840), (30, 671923656), (36, 559936380), (40, 503942742), (45, 447949104), (46, 438211080), (47, 428887440), (48, 419952285), (54, 373290920), (60, 335961828), (69, 292140720), (72, 279968190), (80, 251971371), (89, 226491120), (90, 223974552), (92, 219105540), (94, 214443720), (97, 207811440), (108, 186645460), (115, 175284432), (120, 167980914), (135, 149316368), (138, 146070360), (141, 142962480), (144, 139984095), (178, 113245560), (180, 111987276), (184, 109552770), (188, 107221860), (194, 103905720), (207, 97380240), (216, 93322730), (230, 87642216), (235, 85777488), (240, 83990457), (267, 75497040), (270, 74658184), (276, 73035180), (282, 71481240), (291, 69270480), (345, 58428144), (356, 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9530832), (2136, 9437130), (2160, 9332273), (2162, 9323640), (2231, 9035280), (2256, 8935155), (2328, 8658810), (2403, 8388560), (2484, 8115020), (2538, 7942360), (2619, 7696720), (2670, 7549704), (2760, 7303518), (2820, 7148124), (2910, 6927048), (3105, 6492016), (3204, 6291420), (3243, 6215760), (3312, 6086265), (3384, 5956770), (3492, 5772540), (3560, 5662278), (3760, 5361093), (3880, 5195286), (4005, 5033136), (4094, 4923720), (4140, 4869012), (4183, 4818960), (4230, 4765416), (4272, 4718565), (4324, 4661820), (4365, 4618032), (4462, 4517640), (4559, 4421520), (4656, 4329405), (4806, 4194280), (4968, 4057510), (5076, 3971180), (5238, 3848360), (5340, 3774852), (5405, 3729456), (5520, 3651759), (5640, 3574062), (5820, 3463524), (6141, 3282480), (6210, 3246008), (6345, 3176944), (6408, 3145710), (6486, 3107880), (6693, 3011760), (6768, 2978385), (6984, 2886270), (7120, 2831139), (7760, 2597643), (8010, 2516568), (8188, 2461860), (8280, 2434506), (8366, 2409480), (8460, 2382708), (8633, 2334960), (8648, 2330910), (8730, 2309016), (8924, 2258820), (9118, 2210760), (9612, 2097140), (9729, 2071920), (9936, 2028755), (10152, 1985590), (10235, 1969488), (10476, 1924180), (10680, 1887426), (10810, 1864728), (11155, 1807056), (11280, 1787031), (11640, 1731762), (12015, 1677712), (12282, 1641240), (12420, 1623004), (12549, 1606320), (12690, 1588472), (12816, 1572855), (12972, 1553940), (13095, 1539344), (13386, 1505880), (13677, 1473840), (13968, 1443135), (16020, 1258284), (16215, 1243152), (16376, 1230930), (16560, 1217253), (16732, 1204740), (16920, 1191354), (17266, 1167480), (17296, 1165455), (17460, 1154508), (17848, 1129410), (18236, 1105380), (18423, 1094160), (19224, 1048570), (19458, 1035960), (20079, 1003920), (20304, 992795), (20470, 984744), (20915, 963792), (20952, 962090), (21360, 943713), (21620, 932364), (22310, 903528), (22795, 884304), (23280, 865881), (24030, 838856), (24564, 820620), (24840, 811502), (25098, 803160), (25380, 794236), (25899, 778320), (25944, 776970), (26190, 769672), (26772, 752940), (27354, 736920), (29187, 690640), (30705, 656496), (32040, 629142), (32430, 621576), (32752, 615465), (33464, 602370), (33465, 602352), (33840, 595677), (34532, 583740), (34920, 577254), (35696, 564705), (36472, 552690), (36846, 547080), (37647, 535440), (38448, 524285), (38916, 517980), (40158, 501960), (40940, 492372), (41031, 491280), (41830, 481896), (41904, 481045), (43165, 466992), (43240, 466182), (44620, 451764), (45590, 442152), (48060, 419428), (48645, 414384), (49128, 410310), (49680, 405751), (50196, 401580), (50760, 397118), (51798, 389160), (51888, 388485), (52380, 384836), (53544, 376470), (54708, 368460), (55269, 364720), (58374, 345320), (60237, 334640), (61410, 328248), (62745, 321264), (64080, 314571), (64860, 310788), (66928, 301185), (66930, 301176), (68385, 294768), (69064, 291870), (69840, 288627), (72944, 276345), (73692, 273540), (75294, 267720), (77697, 259440), (77832, 258990), (80316, 250980), (81880, 246186), (82062, 245640), (83660, 240948), (86330, 233496), (86480, 233091), (89240, 225882), (91180, 221076), (92115, 218832), (96120, 209714), (96209, 209520), (97290, 207192), (98256, 205155), (100392, 200790), (100395, 200784), (101520, 198559), (103596, 194580), (104760, 192418), (104857, 192240), (107088, 188235), (109416, 184230), (110538, 182360), (112941, 178480), (116748, 172660), (120474, 167320), (122820, 164124), (123093, 163760), (125490, 160632), (129495, 155664), (129720, 155394), (133860, 150588), (136770, 147384), (138128, 145935)]