256728000

素因数分解:

$2^6\times 3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{563}}^1$

素因数の和:612

約数の個数: 224

約数和(自身を含む): 893917440

約数和(自身を除く): 637189440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 25, 30, 32, 38, 40, 48, 50, 57, 60, 64, 75, 76, 80, 95, 96, 100, 114, 120, 125, 150, 152, 160, 190, 192, 200, 228, 240, 250, 285, 300, 304, 320, 375, 380, 400, 456, 475, 480, 500, 563, 570, 600, 608, 750, 760, 800, 912, 950, 960, 1000, 1126, 1140, 1200, 1216, 1425, 1500, 1520, 1600, 1689, 1824, 1900, 2000, 2252, 2280, 2375, 2400, 2815, 2850, 3000, 3040, 3378, 3648, 3800, 4000, 4504, 4560, 4750, 4800, 5630, 5700, 6000, 6080, 6756, 7125, 7600, 8000, 8445, 9008, 9120, 9500, 10697, 11260, 11400, 12000, 13512, 14075, 14250, 15200, 16890, 18016, 18240, 19000, 21394, 22520, 22800, 24000, 27024, 28150, 28500, 30400, 32091, 33780, 36032, 38000, 42225, 42788, 45040, 45600, 53485, 54048, 56300, 57000, 64182, 67560, 70375, 76000, 84450, 85576, 90080, 91200, 106970, 108096, 112600, 114000, 128364, 135120, 140750, 152000, 160455, 168900, 171152, 180160, 211125, 213940, 225200, 228000, 256728, 267425, 270240, 281500, 320910, 337800, 342304, 422250, 427880, 450400, 456000, 513456, 534850, 540480, 563000, 641820, 675600, 684608, 802275, 844500, 855760, 900800, 1026912, 1069700, 1126000, 1283640, 1337125, 1351200, 1604550, 1689000, 1711520, 2053824, 2139400, 2252000, 2567280, 2674250, 2702400, 3209100, 3378000, 3423040, 4011375, 4278800, 4504000, 5134560, 5348500, 6418200, 6756000, 8022750, 8557600, 10269120, 10697000, 12836400, 13512000, 16045500, 17115200, 21394000, 25672800, 32091000, 42788000, 51345600, 64182000, 85576000, 128364000, 256728000]

約数ペア:

[(1, 256728000), (2, 128364000), (3, 85576000), (4, 64182000), (5, 51345600), (6, 42788000), (8, 32091000), (10, 25672800), (12, 21394000), (15, 17115200), (16, 16045500), (19, 13512000), (20, 12836400), (24, 10697000), (25, 10269120), (30, 8557600), (32, 8022750), (38, 6756000), (40, 6418200), (48, 5348500), (50, 5134560), (57, 4504000), (60, 4278800), (64, 4011375), (75, 3423040), (76, 3378000), (80, 3209100), (95, 2702400), (96, 2674250), (100, 2567280), (114, 2252000), (120, 2139400), (125, 2053824), (150, 1711520), (152, 1689000), (160, 1604550), (190, 1351200), (192, 1337125), (200, 1283640), (228, 1126000), (240, 1069700), (250, 1026912), (285, 900800), (300, 855760), (304, 844500), (320, 802275), (375, 684608), (380, 675600), (400, 641820), (456, 563000), (475, 540480), (480, 534850), (500, 513456), (563, 456000), (570, 450400), (600, 427880), (608, 422250), (750, 342304), (760, 337800), (800, 320910), (912, 281500), (950, 270240), (960, 267425), (1000, 256728), (1126, 228000), (1140, 225200), (1200, 213940), (1216, 211125), (1425, 180160), (1500, 171152), (1520, 168900), (1600, 160455), (1689, 152000), (1824, 140750), (1900, 135120), (2000, 128364), (2252, 114000), (2280, 112600), (2375, 108096), (2400, 106970), (2815, 91200), (2850, 90080), (3000, 85576), (3040, 84450), (3378, 76000), (3648, 70375), (3800, 67560), (4000, 64182), (4504, 57000), (4560, 56300), (4750, 54048), (4800, 53485), (5630, 45600), (5700, 45040), (6000, 42788), (6080, 42225), (6756, 38000), (7125, 36032), (7600, 33780), (8000, 32091), (8445, 30400), (9008, 28500), (9120, 28150), (9500, 27024), (10697, 24000), (11260, 22800), (11400, 22520), (12000, 21394), (13512, 19000), (14075, 18240), (14250, 18016), (15200, 16890)]