245640000

素因数分解:

$2^6\times 3^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:147

約数の個数: 280

約数和(自身を含む): 856975680

約数和(自身を除く): 611335680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 25, 30, 32, 40, 46, 48, 50, 60, 64, 69, 75, 80, 89, 92, 96, 100, 115, 120, 125, 138, 150, 160, 178, 184, 192, 200, 230, 240, 250, 267, 276, 300, 320, 345, 356, 368, 375, 400, 445, 460, 480, 500, 534, 552, 575, 600, 625, 690, 712, 736, 750, 800, 890, 920, 960, 1000, 1068, 1104, 1150, 1200, 1250, 1335, 1380, 1424, 1472, 1500, 1600, 1725, 1780, 1840, 1875, 2000, 2047, 2136, 2208, 2225, 2300, 2400, 2500, 2670, 2760, 2848, 2875, 3000, 3450, 3560, 3680, 3750, 4000, 4094, 4272, 4416, 4450, 4600, 4800, 5000, 5340, 5520, 5696, 5750, 6000, 6141, 6675, 6900, 7120, 7360, 7500, 8000, 8188, 8544, 8625, 8900, 9200, 10000, 10235, 10680, 11040, 11125, 11500, 12000, 12282, 13350, 13800, 14240, 14375, 15000, 16376, 17088, 17250, 17800, 18400, 20000, 20470, 21360, 22080, 22250, 23000, 24000, 24564, 26700, 27600, 28480, 28750, 30000, 30705, 32752, 33375, 34500, 35600, 36800, 40000, 40940, 42720, 43125, 44500, 46000, 49128, 51175, 53400, 55200, 55625, 57500, 60000, 61410, 65504, 66750, 69000, 71200, 81880, 85440, 86250, 89000, 92000, 98256, 102350, 106800, 110400, 111250, 115000, 120000, 122820, 131008, 133500, 138000, 142400, 153525, 163760, 166875, 172500, 178000, 184000, 196512, 204700, 213600, 222500, 230000, 245640, 255875, 267000, 276000, 307050, 327520, 333750, 345000, 356000, 393024, 409400, 427200, 445000, 460000, 491280, 511750, 534000, 552000, 614100, 655040, 667500, 690000, 712000, 767625, 818800, 890000, 920000, 982560, 1023500, 1068000, 1228200, 1279375, 1335000, 1380000, 1535250, 1637600, 1780000, 1965120, 2047000, 2136000, 2456400, 2558750, 2670000, 2760000, 3070500, 3275200, 3560000, 3838125, 4094000, 4912800, 5117500, 5340000, 6141000, 7676250, 8188000, 9825600, 10235000, 10680000, 12282000, 15352500, 16376000, 20470000, 24564000, 30705000, 40940000, 49128000, 61410000, 81880000, 122820000, 245640000]

約数ペア:

[(1, 245640000), (2, 122820000), (3, 81880000), (4, 61410000), (5, 49128000), (6, 40940000), (8, 30705000), (10, 24564000), (12, 20470000), (15, 16376000), (16, 15352500), (20, 12282000), (23, 10680000), (24, 10235000), (25, 9825600), (30, 8188000), (32, 7676250), (40, 6141000), (46, 5340000), (48, 5117500), (50, 4912800), (60, 4094000), (64, 3838125), (69, 3560000), (75, 3275200), (80, 3070500), (89, 2760000), (92, 2670000), (96, 2558750), (100, 2456400), (115, 2136000), (120, 2047000), (125, 1965120), (138, 1780000), (150, 1637600), (160, 1535250), (178, 1380000), (184, 1335000), (192, 1279375), (200, 1228200), (230, 1068000), (240, 1023500), (250, 982560), (267, 920000), (276, 890000), (300, 818800), (320, 767625), (345, 712000), (356, 690000), (368, 667500), (375, 655040), (400, 614100), (445, 552000), (460, 534000), (480, 511750), (500, 491280), (534, 460000), (552, 445000), (575, 427200), (600, 409400), (625, 393024), (690, 356000), (712, 345000), (736, 333750), (750, 327520), (800, 307050), (890, 276000), (920, 267000), (960, 255875), (1000, 245640), (1068, 230000), (1104, 222500), (1150, 213600), (1200, 204700), (1250, 196512), (1335, 184000), (1380, 178000), (1424, 172500), (1472, 166875), (1500, 163760), (1600, 153525), (1725, 142400), (1780, 138000), (1840, 133500), (1875, 131008), (2000, 122820), (2047, 120000), (2136, 115000), (2208, 111250), (2225, 110400), (2300, 106800), (2400, 102350), (2500, 98256), (2670, 92000), (2760, 89000), (2848, 86250), (2875, 85440), (3000, 81880), (3450, 71200), (3560, 69000), (3680, 66750), (3750, 65504), (4000, 61410), (4094, 60000), (4272, 57500), (4416, 55625), (4450, 55200), (4600, 53400), (4800, 51175), (5000, 49128), (5340, 46000), (5520, 44500), (5696, 43125), (5750, 42720), (6000, 40940), (6141, 40000), (6675, 36800), (6900, 35600), (7120, 34500), (7360, 33375), (7500, 32752), (8000, 30705), (8188, 30000), (8544, 28750), (8625, 28480), (8900, 27600), (9200, 26700), (10000, 24564), (10235, 24000), (10680, 23000), (11040, 22250), (11125, 22080), (11500, 21360), (12000, 20470), (12282, 20000), (13350, 18400), (13800, 17800), (14240, 17250), (14375, 17088), (15000, 16376)]