28704000

素因数分解:

$2^8\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:70

約数の個数: 288

約数和(自身を含む): 107138304

約数和(自身を除く): 78434304

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 23, 24, 25, 26, 30, 32, 39, 40, 46, 48, 50, 52, 60, 64, 65, 69, 75, 78, 80, 92, 96, 100, 104, 115, 120, 125, 128, 130, 138, 150, 156, 160, 184, 192, 195, 200, 208, 230, 240, 250, 256, 260, 276, 299, 300, 312, 320, 325, 345, 368, 375, 384, 390, 400, 416, 460, 480, 500, 520, 552, 575, 598, 600, 624, 640, 650, 690, 736, 750, 768, 780, 800, 832, 897, 920, 960, 975, 1000, 1040, 1104, 1150, 1196, 1200, 1248, 1280, 1300, 1380, 1472, 1495, 1500, 1560, 1600, 1625, 1664, 1725, 1794, 1840, 1920, 1950, 2000, 2080, 2208, 2300, 2392, 2400, 2496, 2600, 2760, 2875, 2944, 2990, 3000, 3120, 3200, 3250, 3328, 3450, 3588, 3680, 3840, 3900, 4000, 4160, 4416, 4485, 4600, 4784, 4800, 4875, 4992, 5200, 5520, 5750, 5888, 5980, 6000, 6240, 6400, 6500, 6900, 7176, 7360, 7475, 7800, 8000, 8320, 8625, 8832, 8970, 9200, 9568, 9600, 9750, 9984, 10400, 11040, 11500, 11960, 12000, 12480, 13000, 13800, 14352, 14720, 14950, 15600, 16000, 16640, 17250, 17664, 17940, 18400, 19136, 19200, 19500, 20800, 22080, 22425, 23000, 23920, 24000, 24960, 26000, 27600, 28704, 29440, 29900, 31200, 32000, 34500, 35880, 36800, 37375, 38272, 39000, 41600, 44160, 44850, 46000, 47840, 48000, 49920, 52000, 55200, 57408, 59800, 62400, 69000, 71760, 73600, 74750, 76544, 78000, 83200, 88320, 89700, 92000, 95680, 96000, 104000, 110400, 112125, 114816, 119600, 124800, 138000, 143520, 147200, 149500, 156000, 179400, 184000, 191360, 208000, 220800, 224250, 229632, 239200, 249600, 276000, 287040, 299000, 312000, 358800, 368000, 382720, 416000, 441600, 448500, 478400, 552000, 574080, 598000, 624000, 717600, 736000, 897000, 956800, 1104000, 1148160, 1196000, 1248000, 1435200, 1794000, 1913600, 2208000, 2392000, 2870400, 3588000, 4784000, 5740800, 7176000, 9568000, 14352000, 28704000]

約数ペア:

[(1, 28704000), (2, 14352000), (3, 9568000), (4, 7176000), (5, 5740800), (6, 4784000), (8, 3588000), (10, 2870400), (12, 2392000), (13, 2208000), (15, 1913600), (16, 1794000), (20, 1435200), (23, 1248000), (24, 1196000), (25, 1148160), (26, 1104000), (30, 956800), (32, 897000), (39, 736000), (40, 717600), (46, 624000), (48, 598000), (50, 574080), (52, 552000), (60, 478400), (64, 448500), (65, 441600), (69, 416000), (75, 382720), (78, 368000), (80, 358800), (92, 312000), (96, 299000), (100, 287040), (104, 276000), (115, 249600), (120, 239200), (125, 229632), (128, 224250), (130, 220800), (138, 208000), (150, 191360), (156, 184000), (160, 179400), (184, 156000), (192, 149500), (195, 147200), (200, 143520), (208, 138000), (230, 124800), (240, 119600), (250, 114816), (256, 112125), (260, 110400), (276, 104000), (299, 96000), (300, 95680), (312, 92000), (320, 89700), (325, 88320), (345, 83200), (368, 78000), (375, 76544), (384, 74750), (390, 73600), (400, 71760), (416, 69000), (460, 62400), (480, 59800), (500, 57408), (520, 55200), (552, 52000), (575, 49920), (598, 48000), (600, 47840), (624, 46000), (640, 44850), (650, 44160), (690, 41600), (736, 39000), (750, 38272), (768, 37375), (780, 36800), (800, 35880), (832, 34500), (897, 32000), (920, 31200), (960, 29900), (975, 29440), (1000, 28704), (1040, 27600), (1104, 26000), (1150, 24960), (1196, 24000), (1200, 23920), (1248, 23000), (1280, 22425), (1300, 22080), (1380, 20800), (1472, 19500), (1495, 19200), (1500, 19136), (1560, 18400), (1600, 17940), (1625, 17664), (1664, 17250), (1725, 16640), (1794, 16000), (1840, 15600), (1920, 14950), (1950, 14720), (2000, 14352), (2080, 13800), (2208, 13000), (2300, 12480), (2392, 12000), (2400, 11960), (2496, 11500), (2600, 11040), (2760, 10400), (2875, 9984), (2944, 9750), (2990, 9600), (3000, 9568), (3120, 9200), (3200, 8970), (3250, 8832), (3328, 8625), (3450, 8320), (3588, 8000), (3680, 7800), (3840, 7475), (3900, 7360), (4000, 7176), (4160, 6900), (4416, 6500), (4485, 6400), (4600, 6240), (4784, 6000), (4800, 5980), (4875, 5888), (4992, 5750), (5200, 5520)]