42840000

素因数分解:

$2^6\times 3^2\times 5^4\times 7^1\times {\mathrm{17}}^1$

素因数の和:62

約数の個数: 420

約数和(自身を含む): 185678064

約数和(自身を除く): 142838064

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 25, 28, 30, 32, 34, 35, 36, 40, 42, 45, 48, 50, 51, 56, 60, 63, 64, 68, 70, 72, 75, 80, 84, 85, 90, 96, 100, 102, 105, 112, 119, 120, 125, 126, 136, 140, 144, 150, 153, 160, 168, 170, 175, 180, 192, 200, 204, 210, 224, 225, 238, 240, 250, 252, 255, 272, 280, 288, 300, 306, 315, 320, 336, 340, 350, 357, 360, 375, 400, 408, 420, 425, 448, 450, 476, 480, 500, 504, 510, 525, 544, 560, 576, 595, 600, 612, 625, 630, 672, 680, 700, 714, 720, 750, 765, 800, 816, 840, 850, 875, 900, 952, 960, 1000, 1008, 1020, 1050, 1071, 1088, 1120, 1125, 1190, 1200, 1224, 1250, 1260, 1275, 1344, 1360, 1400, 1428, 1440, 1500, 1530, 1575, 1600, 1632, 1680, 1700, 1750, 1785, 1800, 1875, 1904, 2000, 2016, 2040, 2100, 2125, 2142, 2240, 2250, 2380, 2400, 2448, 2500, 2520, 2550, 2625, 2720, 2800, 2856, 2880, 2975, 3000, 3060, 3150, 3264, 3360, 3400, 3500, 3570, 3600, 3750, 3808, 3825, 4000, 4032, 4080, 4200, 4250, 4284, 4375, 4500, 4760, 4800, 4896, 5000, 5040, 5100, 5250, 5355, 5440, 5600, 5625, 5712, 5950, 6000, 6120, 6300, 6375, 6720, 6800, 7000, 7140, 7200, 7500, 7616, 7650, 7875, 8000, 8160, 8400, 8500, 8568, 8750, 8925, 9000, 9520, 9792, 10000, 10080, 10200, 10500, 10625, 10710, 11200, 11250, 11424, 11900, 12000, 12240, 12600, 12750, 13125, 13600, 14000, 14280, 14400, 14875, 15000, 15300, 15750, 16320, 16800, 17000, 17136, 17500, 17850, 18000, 19040, 19125, 20000, 20160, 20400, 21000, 21250, 21420, 22500, 22848, 23800, 24000, 24480, 25200, 25500, 26250, 26775, 27200, 28000, 28560, 29750, 30000, 30600, 31500, 31875, 33600, 34000, 34272, 35000, 35700, 36000, 38080, 38250, 39375, 40000, 40800, 42000, 42500, 42840, 44625, 45000, 47600, 48960, 50400, 51000, 52500, 53550, 56000, 57120, 59500, 60000, 61200, 63000, 63750, 68000, 68544, 70000, 71400, 72000, 74375, 76500, 78750, 81600, 84000, 85000, 85680, 89250, 90000, 95200, 95625, 100800, 102000, 105000, 107100, 114240, 119000, 120000, 122400, 126000, 127500, 133875, 136000, 140000, 142800, 148750, 153000, 157500, 168000, 170000, 171360, 178500, 180000, 190400, 191250, 204000, 210000, 214200, 223125, 238000, 244800, 252000, 255000, 267750, 280000, 285600, 297500, 306000, 315000, 340000, 342720, 357000, 360000, 382500, 408000, 420000, 428400, 446250, 476000, 504000, 510000, 535500, 571200, 595000, 612000, 630000, 669375, 680000, 714000, 765000, 840000, 856800, 892500, 952000, 1020000, 1071000, 1190000, 1224000, 1260000, 1338750, 1428000, 1530000, 1713600, 1785000, 2040000, 2142000, 2380000, 2520000, 2677500, 2856000, 3060000, 3570000, 4284000, 4760000, 5355000, 6120000, 7140000, 8568000, 10710000, 14280000, 21420000, 42840000]

約数ペア:

[(1, 42840000), (2, 21420000), (3, 14280000), (4, 10710000), (5, 8568000), (6, 7140000), (7, 6120000), (8, 5355000), (9, 4760000), (10, 4284000), (12, 3570000), (14, 3060000), (15, 2856000), (16, 2677500), (17, 2520000), (18, 2380000), (20, 2142000), (21, 2040000), (24, 1785000), (25, 1713600), (28, 1530000), (30, 1428000), (32, 1338750), (34, 1260000), (35, 1224000), (36, 1190000), (40, 1071000), (42, 1020000), (45, 952000), (48, 892500), (50, 856800), (51, 840000), (56, 765000), (60, 714000), (63, 680000), (64, 669375), (68, 630000), (70, 612000), (72, 595000), (75, 571200), (80, 535500), (84, 510000), (85, 504000), (90, 476000), (96, 446250), (100, 428400), (102, 420000), (105, 408000), (112, 382500), (119, 360000), (120, 357000), (125, 342720), (126, 340000), (136, 315000), (140, 306000), (144, 297500), (150, 285600), (153, 280000), (160, 267750), (168, 255000), (170, 252000), (175, 244800), (180, 238000), (192, 223125), (200, 214200), (204, 210000), (210, 204000), (224, 191250), (225, 190400), (238, 180000), (240, 178500), (250, 171360), (252, 170000), (255, 168000), (272, 157500), (280, 153000), (288, 148750), (300, 142800), (306, 140000), (315, 136000), (320, 133875), (336, 127500), (340, 126000), (350, 122400), (357, 120000), (360, 119000), (375, 114240), (400, 107100), (408, 105000), (420, 102000), (425, 100800), (448, 95625), (450, 95200), (476, 90000), (480, 89250), (500, 85680), (504, 85000), (510, 84000), (525, 81600), (544, 78750), (560, 76500), (576, 74375), (595, 72000), (600, 71400), (612, 70000), (625, 68544), (630, 68000), (672, 63750), (680, 63000), (700, 61200), (714, 60000), (720, 59500), (750, 57120), (765, 56000), (800, 53550), (816, 52500), (840, 51000), (850, 50400), (875, 48960), (900, 47600), (952, 45000), (960, 44625), (1000, 42840), (1008, 42500), (1020, 42000), (1050, 40800), (1071, 40000), (1088, 39375), (1120, 38250), (1125, 38080), (1190, 36000), (1200, 35700), (1224, 35000), (1250, 34272), (1260, 34000), (1275, 33600), (1344, 31875), (1360, 31500), (1400, 30600), (1428, 30000), (1440, 29750), (1500, 28560), (1530, 28000), (1575, 27200), (1600, 26775), (1632, 26250), (1680, 25500), (1700, 25200), (1750, 24480), (1785, 24000), (1800, 23800), (1875, 22848), (1904, 22500), (2000, 21420), (2016, 21250), (2040, 21000), (2100, 20400), (2125, 20160), (2142, 20000), (2240, 19125), (2250, 19040), (2380, 18000), (2400, 17850), (2448, 17500), (2500, 17136), (2520, 17000), (2550, 16800), (2625, 16320), (2720, 15750), (2800, 15300), (2856, 15000), (2880, 14875), (2975, 14400), (3000, 14280), (3060, 14000), (3150, 13600), (3264, 13125), (3360, 12750), (3400, 12600), (3500, 12240), (3570, 12000), (3600, 11900), (3750, 11424), (3808, 11250), (3825, 11200), (4000, 10710), (4032, 10625), (4080, 10500), (4200, 10200), (4250, 10080), (4284, 10000), (4375, 9792), (4500, 9520), (4760, 9000), (4800, 8925), (4896, 8750), (5000, 8568), (5040, 8500), (5100, 8400), (5250, 8160), (5355, 8000), (5440, 7875), (5600, 7650), (5625, 7616), (5712, 7500), (5950, 7200), (6000, 7140), (6120, 7000), (6300, 6800), (6375, 6720)]