639828000

素因数分解:

$2^5\times 3^2\times 5^3\times 7^1\times {\mathrm{2539}}^1$

素因数の和:2577

約数の個数: 288

約数和(自身を含む): 2596164480

約数和(自身を除く): 1956336480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 32, 35, 36, 40, 42, 45, 48, 50, 56, 60, 63, 70, 72, 75, 80, 84, 90, 96, 100, 105, 112, 120, 125, 126, 140, 144, 150, 160, 168, 175, 180, 200, 210, 224, 225, 240, 250, 252, 280, 288, 300, 315, 336, 350, 360, 375, 400, 420, 450, 480, 500, 504, 525, 560, 600, 630, 672, 700, 720, 750, 800, 840, 875, 900, 1000, 1008, 1050, 1120, 1125, 1200, 1260, 1400, 1440, 1500, 1575, 1680, 1750, 1800, 2000, 2016, 2100, 2250, 2400, 2520, 2539, 2625, 2800, 3000, 3150, 3360, 3500, 3600, 4000, 4200, 4500, 5040, 5078, 5250, 5600, 6000, 6300, 7000, 7200, 7617, 7875, 8400, 9000, 10080, 10156, 10500, 12000, 12600, 12695, 14000, 15234, 15750, 16800, 17773, 18000, 20312, 21000, 22851, 25200, 25390, 28000, 30468, 31500, 35546, 36000, 38085, 40624, 42000, 45702, 50400, 50780, 53319, 60936, 63000, 63475, 71092, 76170, 81248, 84000, 88865, 91404, 101560, 106638, 114255, 121872, 126000, 126950, 142184, 152340, 159957, 177730, 182808, 190425, 203120, 213276, 228510, 243744, 252000, 253900, 266595, 284368, 304680, 317375, 319914, 355460, 365616, 380850, 406240, 426552, 444325, 457020, 507800, 533190, 568736, 571275, 609360, 634750, 639828, 710920, 731232, 761700, 799785, 853104, 888650, 914040, 952125, 1015600, 1066380, 1142550, 1218720, 1269500, 1279656, 1332975, 1421840, 1523400, 1599570, 1706208, 1777300, 1828080, 1904250, 2031200, 2132760, 2221625, 2285100, 2539000, 2559312, 2665950, 2843680, 2856375, 3046800, 3199140, 3554600, 3656160, 3808500, 3998925, 4265520, 4443250, 4570200, 5078000, 5118624, 5331900, 5712750, 6093600, 6398280, 6664875, 7109200, 7617000, 7997850, 8531040, 8886500, 9140400, 10156000, 10663800, 11425500, 12796560, 13329750, 14218400, 15234000, 15995700, 17773000, 18280800, 19994625, 21327600, 22851000, 25593120, 26659500, 30468000, 31991400, 35546000, 39989250, 42655200, 45702000, 53319000, 63982800, 71092000, 79978500, 91404000, 106638000, 127965600, 159957000, 213276000, 319914000, 639828000]

約数ペア:

[(1, 639828000), (2, 319914000), (3, 213276000), (4, 159957000), (5, 127965600), (6, 106638000), (7, 91404000), (8, 79978500), (9, 71092000), (10, 63982800), (12, 53319000), (14, 45702000), (15, 42655200), (16, 39989250), (18, 35546000), (20, 31991400), (21, 30468000), (24, 26659500), (25, 25593120), (28, 22851000), (30, 21327600), (32, 19994625), (35, 18280800), (36, 17773000), (40, 15995700), (42, 15234000), (45, 14218400), (48, 13329750), (50, 12796560), (56, 11425500), (60, 10663800), (63, 10156000), (70, 9140400), (72, 8886500), (75, 8531040), (80, 7997850), (84, 7617000), (90, 7109200), (96, 6664875), (100, 6398280), (105, 6093600), (112, 5712750), (120, 5331900), (125, 5118624), (126, 5078000), (140, 4570200), (144, 4443250), (150, 4265520), (160, 3998925), (168, 3808500), (175, 3656160), (180, 3554600), (200, 3199140), (210, 3046800), (224, 2856375), (225, 2843680), (240, 2665950), (250, 2559312), (252, 2539000), (280, 2285100), (288, 2221625), (300, 2132760), (315, 2031200), (336, 1904250), (350, 1828080), (360, 1777300), (375, 1706208), (400, 1599570), (420, 1523400), (450, 1421840), (480, 1332975), (500, 1279656), (504, 1269500), (525, 1218720), (560, 1142550), (600, 1066380), (630, 1015600), (672, 952125), (700, 914040), (720, 888650), (750, 853104), (800, 799785), (840, 761700), (875, 731232), (900, 710920), (1000, 639828), (1008, 634750), (1050, 609360), (1120, 571275), (1125, 568736), (1200, 533190), (1260, 507800), (1400, 457020), (1440, 444325), (1500, 426552), (1575, 406240), (1680, 380850), (1750, 365616), (1800, 355460), (2000, 319914), (2016, 317375), (2100, 304680), (2250, 284368), (2400, 266595), (2520, 253900), (2539, 252000), (2625, 243744), (2800, 228510), (3000, 213276), (3150, 203120), (3360, 190425), (3500, 182808), (3600, 177730), (4000, 159957), (4200, 152340), (4500, 142184), (5040, 126950), (5078, 126000), (5250, 121872), (5600, 114255), (6000, 106638), (6300, 101560), (7000, 91404), (7200, 88865), (7617, 84000), (7875, 81248), (8400, 76170), (9000, 71092), (10080, 63475), (10156, 63000), (10500, 60936), (12000, 53319), (12600, 50780), (12695, 50400), (14000, 45702), (15234, 42000), (15750, 40624), (16800, 38085), (17773, 36000), (18000, 35546), (20312, 31500), (21000, 30468), (22851, 28000), (25200, 25390)]