21240000

素因数分解:

$2^6\times 3^2\times 5^4\times {\mathrm{59}}^1$

素因数の和:97

約数の個数: 210

約数和(自身を含む): 77365860

約数和(自身を除く): 56125860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 59, 60, 64, 72, 75, 80, 90, 96, 100, 118, 120, 125, 144, 150, 160, 177, 180, 192, 200, 225, 236, 240, 250, 288, 295, 300, 320, 354, 360, 375, 400, 450, 472, 480, 500, 531, 576, 590, 600, 625, 708, 720, 750, 800, 885, 900, 944, 960, 1000, 1062, 1125, 1180, 1200, 1250, 1416, 1440, 1475, 1500, 1600, 1770, 1800, 1875, 1888, 2000, 2124, 2250, 2360, 2400, 2500, 2655, 2832, 2880, 2950, 3000, 3540, 3600, 3750, 3776, 4000, 4248, 4425, 4500, 4720, 4800, 5000, 5310, 5625, 5664, 5900, 6000, 7080, 7200, 7375, 7500, 8000, 8496, 8850, 9000, 9440, 10000, 10620, 11250, 11328, 11800, 12000, 13275, 14160, 14400, 14750, 15000, 16992, 17700, 18000, 18880, 20000, 21240, 22125, 22500, 23600, 24000, 26550, 28320, 29500, 30000, 33984, 35400, 36000, 36875, 40000, 42480, 44250, 45000, 47200, 53100, 56640, 59000, 60000, 66375, 70800, 72000, 73750, 84960, 88500, 90000, 94400, 106200, 110625, 118000, 120000, 132750, 141600, 147500, 169920, 177000, 180000, 212400, 221250, 236000, 265500, 283200, 295000, 331875, 354000, 360000, 424800, 442500, 472000, 531000, 590000, 663750, 708000, 849600, 885000, 1062000, 1180000, 1327500, 1416000, 1770000, 2124000, 2360000, 2655000, 3540000, 4248000, 5310000, 7080000, 10620000, 21240000]

約数ペア:

[(1, 21240000), (2, 10620000), (3, 7080000), (4, 5310000), (5, 4248000), (6, 3540000), (8, 2655000), (9, 2360000), (10, 2124000), (12, 1770000), (15, 1416000), (16, 1327500), (18, 1180000), (20, 1062000), (24, 885000), (25, 849600), (30, 708000), (32, 663750), (36, 590000), (40, 531000), (45, 472000), (48, 442500), (50, 424800), (59, 360000), (60, 354000), (64, 331875), (72, 295000), (75, 283200), (80, 265500), (90, 236000), (96, 221250), (100, 212400), (118, 180000), (120, 177000), (125, 169920), (144, 147500), (150, 141600), (160, 132750), (177, 120000), (180, 118000), (192, 110625), (200, 106200), (225, 94400), (236, 90000), (240, 88500), (250, 84960), (288, 73750), (295, 72000), (300, 70800), (320, 66375), (354, 60000), (360, 59000), (375, 56640), (400, 53100), (450, 47200), (472, 45000), (480, 44250), (500, 42480), (531, 40000), (576, 36875), (590, 36000), (600, 35400), (625, 33984), (708, 30000), (720, 29500), (750, 28320), (800, 26550), (885, 24000), (900, 23600), (944, 22500), (960, 22125), (1000, 21240), (1062, 20000), (1125, 18880), (1180, 18000), (1200, 17700), (1250, 16992), (1416, 15000), (1440, 14750), (1475, 14400), (1500, 14160), (1600, 13275), (1770, 12000), (1800, 11800), (1875, 11328), (1888, 11250), (2000, 10620), (2124, 10000), (2250, 9440), (2360, 9000), (2400, 8850), (2500, 8496), (2655, 8000), (2832, 7500), (2880, 7375), (2950, 7200), (3000, 7080), (3540, 6000), (3600, 5900), (3750, 5664), (3776, 5625), (4000, 5310), (4248, 5000), (4425, 4800), (4500, 4720)]