1285242000

素因数分解:

$2^4\times 3^1\times 5^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:535

約数の個数: 320

約数和(自身を含む): 4813406208

約数和(自身を除く): 3528164208

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 71, 75, 80, 84, 100, 105, 112, 120, 125, 140, 142, 150, 168, 175, 200, 210, 213, 240, 250, 280, 284, 300, 336, 350, 355, 375, 400, 420, 426, 431, 497, 500, 525, 560, 568, 600, 700, 710, 750, 840, 852, 862, 875, 994, 1000, 1050, 1065, 1136, 1200, 1293, 1400, 1420, 1491, 1500, 1680, 1704, 1724, 1750, 1775, 1988, 2000, 2100, 2130, 2155, 2485, 2586, 2625, 2800, 2840, 2982, 3000, 3017, 3408, 3448, 3500, 3550, 3976, 4200, 4260, 4310, 4970, 5172, 5250, 5325, 5680, 5964, 6000, 6034, 6465, 6896, 7000, 7100, 7455, 7952, 8400, 8520, 8620, 8875, 9051, 9940, 10344, 10500, 10650, 10775, 11928, 12068, 12425, 12930, 14000, 14200, 14910, 15085, 17040, 17240, 17750, 18102, 19880, 20688, 21000, 21300, 21550, 23856, 24136, 24850, 25860, 26625, 28400, 29820, 30170, 30601, 32325, 34480, 35500, 36204, 37275, 39760, 42000, 42600, 43100, 45255, 48272, 49700, 51720, 53250, 53875, 59640, 60340, 61202, 62125, 64650, 71000, 72408, 74550, 75425, 85200, 86200, 90510, 91803, 99400, 103440, 106500, 107750, 119280, 120680, 122404, 124250, 129300, 142000, 144816, 149100, 150850, 153005, 161625, 172400, 181020, 183606, 186375, 198800, 213000, 214207, 215500, 226275, 241360, 244808, 248500, 258600, 298200, 301700, 306010, 323250, 362040, 367212, 372750, 377125, 426000, 428414, 431000, 452550, 459015, 489616, 497000, 517200, 596400, 603400, 612020, 642621, 646500, 724080, 734424, 745500, 754250, 765025, 856828, 862000, 905100, 918030, 994000, 1071035, 1131375, 1206800, 1224040, 1285242, 1293000, 1468848, 1491000, 1508500, 1530050, 1713656, 1810200, 1836060, 2142070, 2262750, 2295075, 2448080, 2570484, 2586000, 2982000, 3017000, 3060100, 3213105, 3427312, 3620400, 3672120, 3825125, 4284140, 4525500, 4590150, 5140968, 5355175, 6034000, 6120200, 6426210, 7344240, 7650250, 8568280, 9051000, 9180300, 10281936, 10710350, 11475375, 12240400, 12852420, 15300500, 16065525, 17136560, 18102000, 18360600, 21420700, 22950750, 25704840, 26775875, 30601000, 32131050, 36721200, 42841400, 45901500, 51409680, 53551750, 61202000, 64262100, 80327625, 85682800, 91803000, 107103500, 128524200, 160655250, 183606000, 214207000, 257048400, 321310500, 428414000, 642621000, 1285242000]

約数ペア:

[(1, 1285242000), (2, 642621000), (3, 428414000), (4, 321310500), (5, 257048400), (6, 214207000), (7, 183606000), (8, 160655250), (10, 128524200), (12, 107103500), (14, 91803000), (15, 85682800), (16, 80327625), (20, 64262100), (21, 61202000), (24, 53551750), (25, 51409680), (28, 45901500), (30, 42841400), (35, 36721200), (40, 32131050), (42, 30601000), (48, 26775875), (50, 25704840), (56, 22950750), (60, 21420700), (70, 18360600), (71, 18102000), (75, 17136560), (80, 16065525), (84, 15300500), (100, 12852420), (105, 12240400), (112, 11475375), (120, 10710350), (125, 10281936), (140, 9180300), (142, 9051000), (150, 8568280), (168, 7650250), (175, 7344240), (200, 6426210), (210, 6120200), (213, 6034000), (240, 5355175), (250, 5140968), (280, 4590150), (284, 4525500), (300, 4284140), (336, 3825125), (350, 3672120), (355, 3620400), (375, 3427312), (400, 3213105), (420, 3060100), (426, 3017000), (431, 2982000), (497, 2586000), (500, 2570484), (525, 2448080), (560, 2295075), (568, 2262750), (600, 2142070), (700, 1836060), (710, 1810200), (750, 1713656), (840, 1530050), (852, 1508500), (862, 1491000), (875, 1468848), (994, 1293000), (1000, 1285242), (1050, 1224040), (1065, 1206800), (1136, 1131375), (1200, 1071035), (1293, 994000), (1400, 918030), (1420, 905100), (1491, 862000), (1500, 856828), (1680, 765025), (1704, 754250), (1724, 745500), (1750, 734424), (1775, 724080), (1988, 646500), (2000, 642621), (2100, 612020), (2130, 603400), (2155, 596400), (2485, 517200), (2586, 497000), (2625, 489616), (2800, 459015), (2840, 452550), (2982, 431000), (3000, 428414), (3017, 426000), (3408, 377125), (3448, 372750), (3500, 367212), (3550, 362040), (3976, 323250), (4200, 306010), (4260, 301700), (4310, 298200), (4970, 258600), (5172, 248500), (5250, 244808), (5325, 241360), (5680, 226275), (5964, 215500), (6000, 214207), (6034, 213000), (6465, 198800), (6896, 186375), (7000, 183606), (7100, 181020), (7455, 172400), (7952, 161625), (8400, 153005), (8520, 150850), (8620, 149100), (8875, 144816), (9051, 142000), (9940, 129300), (10344, 124250), (10500, 122404), (10650, 120680), (10775, 119280), (11928, 107750), (12068, 106500), (12425, 103440), (12930, 99400), (14000, 91803), (14200, 90510), (14910, 86200), (15085, 85200), (17040, 75425), (17240, 74550), (17750, 72408), (18102, 71000), (19880, 64650), (20688, 62125), (21000, 61202), (21300, 60340), (21550, 59640), (23856, 53875), (24136, 53250), (24850, 51720), (25860, 49700), (26625, 48272), (28400, 45255), (29820, 43100), (30170, 42600), (30601, 42000), (32325, 39760), (34480, 37275), (35500, 36204)]