1981168000

素因数分解:

$2^7\times 5^3\times 7^3\times {\mathrm{19}}^2$

素因数の和:88

約数の個数: 384

約数和(自身を含む): 6062472000

約数和(自身を除く): 4081304000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 32, 35, 38, 40, 49, 50, 56, 64, 70, 76, 80, 95, 98, 100, 112, 125, 128, 133, 140, 152, 160, 175, 190, 196, 200, 224, 245, 250, 266, 280, 304, 320, 343, 350, 361, 380, 392, 400, 448, 475, 490, 500, 532, 560, 608, 640, 665, 686, 700, 722, 760, 784, 800, 875, 896, 931, 950, 980, 1000, 1064, 1120, 1216, 1225, 1330, 1372, 1400, 1444, 1520, 1568, 1600, 1715, 1750, 1805, 1862, 1900, 1960, 2000, 2128, 2240, 2375, 2432, 2450, 2527, 2660, 2744, 2800, 2888, 3040, 3136, 3200, 3325, 3430, 3500, 3610, 3724, 3800, 3920, 4000, 4256, 4480, 4655, 4750, 4900, 5054, 5320, 5488, 5600, 5776, 6080, 6125, 6272, 6517, 6650, 6860, 7000, 7220, 7448, 7600, 7840, 8000, 8512, 8575, 9025, 9310, 9500, 9800, 10108, 10640, 10976, 11200, 11552, 12160, 12250, 12635, 13034, 13300, 13720, 14000, 14440, 14896, 15200, 15680, 16000, 16625, 17024, 17150, 17689, 18050, 18620, 19000, 19600, 20216, 21280, 21952, 22400, 23104, 23275, 24500, 25270, 26068, 26600, 27440, 28000, 28880, 29792, 30400, 31360, 32585, 33250, 34300, 35378, 36100, 37240, 38000, 39200, 40432, 42560, 42875, 43904, 45125, 46208, 46550, 49000, 50540, 52136, 53200, 54880, 56000, 57760, 59584, 60800, 63175, 65170, 66500, 68600, 70756, 72200, 74480, 76000, 78400, 80864, 85120, 85750, 88445, 90250, 93100, 98000, 101080, 104272, 106400, 109760, 112000, 115520, 116375, 119168, 123823, 126350, 130340, 133000, 137200, 141512, 144400, 148960, 152000, 156800, 161728, 162925, 171500, 176890, 180500, 186200, 196000, 202160, 208544, 212800, 219520, 231040, 232750, 247646, 252700, 260680, 266000, 274400, 283024, 288800, 297920, 304000, 315875, 323456, 325850, 343000, 353780, 361000, 372400, 392000, 404320, 417088, 425600, 442225, 465500, 495292, 505400, 521360, 532000, 548800, 566048, 577600, 595840, 619115, 631750, 651700, 686000, 707560, 722000, 744800, 784000, 808640, 814625, 834176, 884450, 931000, 990584, 1010800, 1042720, 1064000, 1097600, 1132096, 1155200, 1238230, 1263500, 1303400, 1372000, 1415120, 1444000, 1489600, 1617280, 1629250, 1768900, 1862000, 1981168, 2021600, 2085440, 2128000, 2211125, 2264192, 2476460, 2527000, 2606800, 2744000, 2830240, 2888000, 2979200, 3095575, 3258500, 3537800, 3724000, 3962336, 4043200, 4170880, 4422250, 4952920, 5054000, 5213600, 5488000, 5660480, 5776000, 6191150, 6517000, 7075600, 7448000, 7924672, 8086400, 8844500, 9905840, 10108000, 10427200, 11320960, 12382300, 13034000, 14151200, 14896000, 15477875, 15849344, 17689000, 19811680, 20216000, 20854400, 24764600, 26068000, 28302400, 30955750, 35378000, 39623360, 40432000, 49529200, 52136000, 56604800, 61911500, 70756000, 79246720, 99058400, 104272000, 123823000, 141512000, 198116800, 247646000, 283024000, 396233600, 495292000, 990584000, 1981168000]

約数ペア:

[(1, 1981168000), (2, 990584000), (4, 495292000), (5, 396233600), (7, 283024000), (8, 247646000), (10, 198116800), (14, 141512000), (16, 123823000), (19, 104272000), (20, 99058400), (25, 79246720), (28, 70756000), (32, 61911500), (35, 56604800), (38, 52136000), (40, 49529200), (49, 40432000), (50, 39623360), (56, 35378000), (64, 30955750), (70, 28302400), (76, 26068000), (80, 24764600), (95, 20854400), (98, 20216000), (100, 19811680), (112, 17689000), (125, 15849344), (128, 15477875), (133, 14896000), (140, 14151200), (152, 13034000), (160, 12382300), (175, 11320960), (190, 10427200), (196, 10108000), (200, 9905840), (224, 8844500), (245, 8086400), (250, 7924672), (266, 7448000), (280, 7075600), (304, 6517000), (320, 6191150), (343, 5776000), (350, 5660480), (361, 5488000), (380, 5213600), (392, 5054000), (400, 4952920), (448, 4422250), (475, 4170880), (490, 4043200), (500, 3962336), (532, 3724000), (560, 3537800), (608, 3258500), (640, 3095575), (665, 2979200), (686, 2888000), (700, 2830240), (722, 2744000), (760, 2606800), (784, 2527000), (800, 2476460), (875, 2264192), (896, 2211125), (931, 2128000), (950, 2085440), (980, 2021600), (1000, 1981168), (1064, 1862000), (1120, 1768900), (1216, 1629250), (1225, 1617280), (1330, 1489600), (1372, 1444000), (1400, 1415120), (1444, 1372000), (1520, 1303400), (1568, 1263500), (1600, 1238230), (1715, 1155200), (1750, 1132096), (1805, 1097600), (1862, 1064000), (1900, 1042720), (1960, 1010800), (2000, 990584), (2128, 931000), (2240, 884450), (2375, 834176), (2432, 814625), (2450, 808640), (2527, 784000), (2660, 744800), (2744, 722000), (2800, 707560), (2888, 686000), (3040, 651700), (3136, 631750), (3200, 619115), (3325, 595840), (3430, 577600), (3500, 566048), (3610, 548800), (3724, 532000), (3800, 521360), (3920, 505400), (4000, 495292), (4256, 465500), (4480, 442225), (4655, 425600), (4750, 417088), (4900, 404320), (5054, 392000), (5320, 372400), (5488, 361000), (5600, 353780), (5776, 343000), (6080, 325850), (6125, 323456), (6272, 315875), (6517, 304000), (6650, 297920), (6860, 288800), (7000, 283024), (7220, 274400), (7448, 266000), (7600, 260680), (7840, 252700), (8000, 247646), (8512, 232750), (8575, 231040), (9025, 219520), (9310, 212800), (9500, 208544), (9800, 202160), (10108, 196000), (10640, 186200), (10976, 180500), (11200, 176890), (11552, 171500), (12160, 162925), (12250, 161728), (12635, 156800), (13034, 152000), (13300, 148960), (13720, 144400), (14000, 141512), (14440, 137200), (14896, 133000), (15200, 130340), (15680, 126350), (16000, 123823), (16625, 119168), (17024, 116375), (17150, 115520), (17689, 112000), (18050, 109760), (18620, 106400), (19000, 104272), (19600, 101080), (20216, 98000), (21280, 93100), (21952, 90250), (22400, 88445), (23104, 85750), (23275, 85120), (24500, 80864), (25270, 78400), (26068, 76000), (26600, 74480), (27440, 72200), (28000, 70756), (28880, 68600), (29792, 66500), (30400, 65170), (31360, 63175), (32585, 60800), (33250, 59584), (34300, 57760), (35378, 56000), (36100, 54880), (37240, 53200), (38000, 52136), (39200, 50540), (40432, 49000), (42560, 46550), (42875, 46208), (43904, 45125)]