80409600

素因数分解:

$2^{10}\times 3^2\times 5^2\times {\mathrm{349}}^1$

素因数の和:385

約数の個数: 198

約数和(自身を含む): 288729350

約数和(自身を除く): 208319750

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 64, 72, 75, 80, 90, 96, 100, 120, 128, 144, 150, 160, 180, 192, 200, 225, 240, 256, 288, 300, 320, 349, 360, 384, 400, 450, 480, 512, 576, 600, 640, 698, 720, 768, 800, 900, 960, 1024, 1047, 1152, 1200, 1280, 1396, 1440, 1536, 1600, 1745, 1800, 1920, 2094, 2304, 2400, 2560, 2792, 2880, 3072, 3141, 3200, 3490, 3600, 3840, 4188, 4608, 4800, 5120, 5235, 5584, 5760, 6282, 6400, 6980, 7200, 7680, 8376, 8725, 9216, 9600, 10470, 11168, 11520, 12564, 12800, 13960, 14400, 15360, 15705, 16752, 17450, 19200, 20940, 22336, 23040, 25128, 25600, 26175, 27920, 28800, 31410, 33504, 34900, 38400, 41880, 44672, 46080, 50256, 52350, 55840, 57600, 62820, 67008, 69800, 76800, 78525, 83760, 89344, 100512, 104700, 111680, 115200, 125640, 134016, 139600, 157050, 167520, 178688, 201024, 209400, 223360, 230400, 251280, 268032, 279200, 314100, 335040, 357376, 402048, 418800, 446720, 502560, 536064, 558400, 628200, 670080, 804096, 837600, 893440, 1005120, 1072128, 1116800, 1256400, 1340160, 1608192, 1675200, 1786880, 2010240, 2233600, 2512800, 2680320, 3216384, 3350400, 4020480, 4467200, 5025600, 5360640, 6700800, 8040960, 8934400, 10051200, 13401600, 16081920, 20102400, 26803200, 40204800, 80409600]

約数ペア:

[(1, 80409600), (2, 40204800), (3, 26803200), (4, 20102400), (5, 16081920), (6, 13401600), (8, 10051200), (9, 8934400), (10, 8040960), (12, 6700800), (15, 5360640), (16, 5025600), (18, 4467200), (20, 4020480), (24, 3350400), (25, 3216384), (30, 2680320), (32, 2512800), (36, 2233600), (40, 2010240), (45, 1786880), (48, 1675200), (50, 1608192), (60, 1340160), (64, 1256400), (72, 1116800), (75, 1072128), (80, 1005120), (90, 893440), (96, 837600), (100, 804096), (120, 670080), (128, 628200), (144, 558400), (150, 536064), (160, 502560), (180, 446720), (192, 418800), (200, 402048), (225, 357376), (240, 335040), (256, 314100), (288, 279200), (300, 268032), (320, 251280), (349, 230400), (360, 223360), (384, 209400), (400, 201024), (450, 178688), (480, 167520), (512, 157050), (576, 139600), (600, 134016), (640, 125640), (698, 115200), (720, 111680), (768, 104700), (800, 100512), (900, 89344), (960, 83760), (1024, 78525), (1047, 76800), (1152, 69800), (1200, 67008), (1280, 62820), (1396, 57600), (1440, 55840), (1536, 52350), (1600, 50256), (1745, 46080), (1800, 44672), (1920, 41880), (2094, 38400), (2304, 34900), (2400, 33504), (2560, 31410), (2792, 28800), (2880, 27920), (3072, 26175), (3141, 25600), (3200, 25128), (3490, 23040), (3600, 22336), (3840, 20940), (4188, 19200), (4608, 17450), (4800, 16752), (5120, 15705), (5235, 15360), (5584, 14400), (5760, 13960), (6282, 12800), (6400, 12564), (6980, 11520), (7200, 11168), (7680, 10470), (8376, 9600), (8725, 9216)]