81669600

素因数分解:

$2^5\times 3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:247

約数の個数: 288

約数和(自身を含む): 312480000

約数和(自身を除く): 230810400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 27, 30, 32, 36, 38, 40, 45, 48, 50, 54, 57, 60, 72, 75, 76, 80, 90, 95, 96, 100, 108, 114, 120, 135, 144, 150, 152, 160, 171, 180, 190, 199, 200, 216, 225, 228, 240, 270, 285, 288, 300, 304, 342, 360, 380, 398, 400, 432, 450, 456, 475, 480, 513, 540, 570, 597, 600, 608, 675, 684, 720, 760, 796, 800, 855, 864, 900, 912, 950, 995, 1026, 1080, 1140, 1194, 1200, 1350, 1368, 1425, 1440, 1520, 1592, 1710, 1791, 1800, 1824, 1900, 1990, 2052, 2160, 2280, 2388, 2400, 2565, 2700, 2736, 2850, 2985, 3040, 3184, 3420, 3582, 3600, 3781, 3800, 3980, 4104, 4275, 4320, 4560, 4776, 4975, 5130, 5373, 5400, 5472, 5700, 5970, 6368, 6840, 7164, 7200, 7562, 7600, 7960, 8208, 8550, 8955, 9120, 9552, 9950, 10260, 10746, 10800, 11343, 11400, 11940, 12825, 13680, 14328, 14925, 15124, 15200, 15920, 16416, 17100, 17910, 18905, 19104, 19900, 20520, 21492, 21600, 22686, 22800, 23880, 25650, 26865, 27360, 28656, 29850, 30248, 31840, 34029, 34200, 35820, 37810, 39800, 41040, 42984, 44775, 45372, 45600, 47760, 51300, 53730, 56715, 57312, 59700, 60496, 68058, 68400, 71640, 75620, 79600, 82080, 85968, 89550, 90744, 94525, 95520, 102087, 102600, 107460, 113430, 119400, 120992, 134325, 136116, 136800, 143280, 151240, 159200, 170145, 171936, 179100, 181488, 189050, 204174, 205200, 214920, 226860, 238800, 268650, 272232, 283575, 286560, 302480, 340290, 358200, 362976, 378100, 408348, 410400, 429840, 453720, 477600, 510435, 537300, 544464, 567150, 604960, 680580, 716400, 756200, 816696, 850725, 859680, 907440, 1020870, 1074600, 1088928, 1134300, 1361160, 1432800, 1512400, 1633392, 1701450, 1814880, 2041740, 2149200, 2268600, 2552175, 2722320, 3024800, 3266784, 3402900, 4083480, 4298400, 4537200, 5104350, 5444640, 6805800, 8166960, 9074400, 10208700, 13611600, 16333920, 20417400, 27223200, 40834800, 81669600]

約数ペア:

[(1, 81669600), (2, 40834800), (3, 27223200), (4, 20417400), (5, 16333920), (6, 13611600), (8, 10208700), (9, 9074400), (10, 8166960), (12, 6805800), (15, 5444640), (16, 5104350), (18, 4537200), (19, 4298400), (20, 4083480), (24, 3402900), (25, 3266784), (27, 3024800), (30, 2722320), (32, 2552175), (36, 2268600), (38, 2149200), (40, 2041740), (45, 1814880), (48, 1701450), (50, 1633392), (54, 1512400), (57, 1432800), (60, 1361160), (72, 1134300), (75, 1088928), (76, 1074600), (80, 1020870), (90, 907440), (95, 859680), (96, 850725), (100, 816696), (108, 756200), (114, 716400), (120, 680580), (135, 604960), (144, 567150), (150, 544464), (152, 537300), (160, 510435), (171, 477600), (180, 453720), (190, 429840), (199, 410400), (200, 408348), (216, 378100), (225, 362976), (228, 358200), (240, 340290), (270, 302480), (285, 286560), (288, 283575), (300, 272232), (304, 268650), (342, 238800), (360, 226860), (380, 214920), (398, 205200), (400, 204174), (432, 189050), (450, 181488), (456, 179100), (475, 171936), (480, 170145), (513, 159200), (540, 151240), (570, 143280), (597, 136800), (600, 136116), (608, 134325), (675, 120992), (684, 119400), (720, 113430), (760, 107460), (796, 102600), (800, 102087), (855, 95520), (864, 94525), (900, 90744), (912, 89550), (950, 85968), (995, 82080), (1026, 79600), (1080, 75620), (1140, 71640), (1194, 68400), (1200, 68058), (1350, 60496), (1368, 59700), (1425, 57312), (1440, 56715), (1520, 53730), (1592, 51300), (1710, 47760), (1791, 45600), (1800, 45372), (1824, 44775), (1900, 42984), (1990, 41040), (2052, 39800), (2160, 37810), (2280, 35820), (2388, 34200), (2400, 34029), (2565, 31840), (2700, 30248), (2736, 29850), (2850, 28656), (2985, 27360), (3040, 26865), (3184, 25650), (3420, 23880), (3582, 22800), (3600, 22686), (3781, 21600), (3800, 21492), (3980, 20520), (4104, 19900), (4275, 19104), (4320, 18905), (4560, 17910), (4776, 17100), (4975, 16416), (5130, 15920), (5373, 15200), (5400, 15124), (5472, 14925), (5700, 14328), (5970, 13680), (6368, 12825), (6840, 11940), (7164, 11400), (7200, 11343), (7562, 10800), (7600, 10746), (7960, 10260), (8208, 9950), (8550, 9552), (8955, 9120)]