31276800

素因数分解:

$2^8\times 3^3\times 5^2\times {\mathrm{181}}^1$

素因数の和:216

約数の個数: 216

約数和(自身を含む): 115322480

約数和(自身を除く): 84045680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 64, 72, 75, 80, 90, 96, 100, 108, 120, 128, 135, 144, 150, 160, 180, 181, 192, 200, 216, 225, 240, 256, 270, 288, 300, 320, 360, 362, 384, 400, 432, 450, 480, 540, 543, 576, 600, 640, 675, 720, 724, 768, 800, 864, 900, 905, 960, 1080, 1086, 1152, 1200, 1280, 1350, 1440, 1448, 1600, 1629, 1728, 1800, 1810, 1920, 2160, 2172, 2304, 2400, 2700, 2715, 2880, 2896, 3200, 3258, 3456, 3600, 3620, 3840, 4320, 4344, 4525, 4800, 4887, 5400, 5430, 5760, 5792, 6400, 6516, 6912, 7200, 7240, 8145, 8640, 8688, 9050, 9600, 9774, 10800, 10860, 11520, 11584, 13032, 13575, 14400, 14480, 16290, 17280, 17376, 18100, 19200, 19548, 21600, 21720, 23168, 24435, 26064, 27150, 28800, 28960, 32580, 34560, 34752, 36200, 39096, 40725, 43200, 43440, 46336, 48870, 52128, 54300, 57600, 57920, 65160, 69504, 72400, 78192, 81450, 86400, 86880, 97740, 104256, 108600, 115840, 122175, 130320, 139008, 144800, 156384, 162900, 172800, 173760, 195480, 208512, 217200, 231680, 244350, 260640, 289600, 312768, 325800, 347520, 390960, 417024, 434400, 488700, 521280, 579200, 625536, 651600, 695040, 781920, 868800, 977400, 1042560, 1158400, 1251072, 1303200, 1563840, 1737600, 1954800, 2085120, 2606400, 3127680, 3475200, 3909600, 5212800, 6255360, 7819200, 10425600, 15638400, 31276800]

約数ペア:

[(1, 31276800), (2, 15638400), (3, 10425600), (4, 7819200), (5, 6255360), (6, 5212800), (8, 3909600), (9, 3475200), (10, 3127680), (12, 2606400), (15, 2085120), (16, 1954800), (18, 1737600), (20, 1563840), (24, 1303200), (25, 1251072), (27, 1158400), (30, 1042560), (32, 977400), (36, 868800), (40, 781920), (45, 695040), (48, 651600), (50, 625536), (54, 579200), (60, 521280), (64, 488700), (72, 434400), (75, 417024), (80, 390960), (90, 347520), (96, 325800), (100, 312768), (108, 289600), (120, 260640), (128, 244350), (135, 231680), (144, 217200), (150, 208512), (160, 195480), (180, 173760), (181, 172800), (192, 162900), (200, 156384), (216, 144800), (225, 139008), (240, 130320), (256, 122175), (270, 115840), (288, 108600), (300, 104256), (320, 97740), (360, 86880), (362, 86400), (384, 81450), (400, 78192), (432, 72400), (450, 69504), (480, 65160), (540, 57920), (543, 57600), (576, 54300), (600, 52128), (640, 48870), (675, 46336), (720, 43440), (724, 43200), (768, 40725), (800, 39096), (864, 36200), (900, 34752), (905, 34560), (960, 32580), (1080, 28960), (1086, 28800), (1152, 27150), (1200, 26064), (1280, 24435), (1350, 23168), (1440, 21720), (1448, 21600), (1600, 19548), (1629, 19200), (1728, 18100), (1800, 17376), (1810, 17280), (1920, 16290), (2160, 14480), (2172, 14400), (2304, 13575), (2400, 13032), (2700, 11584), (2715, 11520), (2880, 10860), (2896, 10800), (3200, 9774), (3258, 9600), (3456, 9050), (3600, 8688), (3620, 8640), (3840, 8145), (4320, 7240), (4344, 7200), (4525, 6912), (4800, 6516), (4887, 6400), (5400, 5792), (5430, 5760)]