19872000

素因数分解:

$2^8\times 3^3\times 5^3\times {\mathrm{23}}^1$

素因数の和:63

約数の個数: 288

約数和(自身を含む): 76527360

約数和(自身を除く): 56655360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 25, 27, 30, 32, 36, 40, 45, 46, 48, 50, 54, 60, 64, 69, 72, 75, 80, 90, 92, 96, 100, 108, 115, 120, 125, 128, 135, 138, 144, 150, 160, 180, 184, 192, 200, 207, 216, 225, 230, 240, 250, 256, 270, 276, 288, 300, 320, 345, 360, 368, 375, 384, 400, 414, 432, 450, 460, 480, 500, 540, 552, 575, 576, 600, 621, 640, 675, 690, 720, 736, 750, 768, 800, 828, 864, 900, 920, 960, 1000, 1035, 1080, 1104, 1125, 1150, 1152, 1200, 1242, 1280, 1350, 1380, 1440, 1472, 1500, 1600, 1656, 1725, 1728, 1800, 1840, 1920, 2000, 2070, 2160, 2208, 2250, 2300, 2304, 2400, 2484, 2700, 2760, 2875, 2880, 2944, 3000, 3105, 3200, 3312, 3375, 3450, 3456, 3600, 3680, 3840, 4000, 4140, 4320, 4416, 4500, 4600, 4800, 4968, 5175, 5400, 5520, 5750, 5760, 5888, 6000, 6210, 6400, 6624, 6750, 6900, 6912, 7200, 7360, 8000, 8280, 8625, 8640, 8832, 9000, 9200, 9600, 9936, 10350, 10800, 11040, 11500, 11520, 12000, 12420, 13248, 13500, 13800, 14400, 14720, 15525, 16000, 16560, 17250, 17280, 17664, 18000, 18400, 19200, 19872, 20700, 21600, 22080, 23000, 24000, 24840, 25875, 26496, 27000, 27600, 28800, 29440, 31050, 32000, 33120, 34500, 34560, 36000, 36800, 39744, 41400, 43200, 44160, 46000, 48000, 49680, 51750, 52992, 54000, 55200, 57600, 62100, 66240, 69000, 72000, 73600, 77625, 79488, 82800, 86400, 88320, 92000, 96000, 99360, 103500, 108000, 110400, 124200, 132480, 138000, 144000, 147200, 155250, 158976, 165600, 172800, 184000, 198720, 207000, 216000, 220800, 248400, 264960, 276000, 288000, 310500, 331200, 368000, 397440, 414000, 432000, 441600, 496800, 552000, 621000, 662400, 736000, 794880, 828000, 864000, 993600, 1104000, 1242000, 1324800, 1656000, 1987200, 2208000, 2484000, 3312000, 3974400, 4968000, 6624000, 9936000, 19872000]

約数ペア:

[(1, 19872000), (2, 9936000), (3, 6624000), (4, 4968000), (5, 3974400), (6, 3312000), (8, 2484000), (9, 2208000), (10, 1987200), (12, 1656000), (15, 1324800), (16, 1242000), (18, 1104000), (20, 993600), (23, 864000), (24, 828000), (25, 794880), (27, 736000), (30, 662400), (32, 621000), (36, 552000), (40, 496800), (45, 441600), (46, 432000), (48, 414000), (50, 397440), (54, 368000), (60, 331200), (64, 310500), (69, 288000), (72, 276000), (75, 264960), (80, 248400), (90, 220800), (92, 216000), (96, 207000), (100, 198720), (108, 184000), (115, 172800), (120, 165600), (125, 158976), (128, 155250), (135, 147200), (138, 144000), (144, 138000), (150, 132480), (160, 124200), (180, 110400), (184, 108000), (192, 103500), (200, 99360), (207, 96000), (216, 92000), (225, 88320), (230, 86400), (240, 82800), (250, 79488), (256, 77625), (270, 73600), (276, 72000), (288, 69000), (300, 66240), (320, 62100), (345, 57600), (360, 55200), (368, 54000), (375, 52992), (384, 51750), (400, 49680), (414, 48000), (432, 46000), (450, 44160), (460, 43200), (480, 41400), (500, 39744), (540, 36800), (552, 36000), (575, 34560), (576, 34500), (600, 33120), (621, 32000), (640, 31050), (675, 29440), (690, 28800), (720, 27600), (736, 27000), (750, 26496), (768, 25875), (800, 24840), (828, 24000), (864, 23000), (900, 22080), (920, 21600), (960, 20700), (1000, 19872), (1035, 19200), (1080, 18400), (1104, 18000), (1125, 17664), (1150, 17280), (1152, 17250), (1200, 16560), (1242, 16000), (1280, 15525), (1350, 14720), (1380, 14400), (1440, 13800), (1472, 13500), (1500, 13248), (1600, 12420), (1656, 12000), (1725, 11520), (1728, 11500), (1800, 11040), (1840, 10800), (1920, 10350), (2000, 9936), (2070, 9600), (2160, 9200), (2208, 9000), (2250, 8832), (2300, 8640), (2304, 8625), (2400, 8280), (2484, 8000), (2700, 7360), (2760, 7200), (2875, 6912), (2880, 6900), (2944, 6750), (3000, 6624), (3105, 6400), (3200, 6210), (3312, 6000), (3375, 5888), (3450, 5760), (3456, 5750), (3600, 5520), (3680, 5400), (3840, 5175), (4000, 4968), (4140, 4800), (4320, 4600), (4416, 4500)]