1720448640

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{99563}}^1$

素因数の和:99591

約数の個数: 128

約数和(自身を含む): 6093316800

約数和(自身を除く): 4372868160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 5760, 8640, 17280, 99563, 199126, 298689, 398252, 497815, 597378, 796504, 896067, 995630, 1194756, 1493445, 1593008, 1792134, 1991260, 2389512, 2688201, 2986890, 3186016, 3584268, 3982520, 4480335, 4779024, 5376402, 5973780, 6372032, 7168536, 7965040, 8960670, 9558048, 10752804, 11947560, 12744064, 13441005, 14337072, 15930080, 17921340, 19116096, 21505608, 23895120, 26882010, 28674144, 31860160, 35842680, 38232192, 43011216, 47790240, 53764020, 57348288, 63720320, 71685360, 86022432, 95580480, 107528040, 114696576, 143370720, 172044864, 191160960, 215056080, 286741440, 344089728, 430112160, 573482880, 860224320, 1720448640]

約数ペア:

[(1, 1720448640), (2, 860224320), (3, 573482880), (4, 430112160), (5, 344089728), (6, 286741440), (8, 215056080), (9, 191160960), (10, 172044864), (12, 143370720), (15, 114696576), (16, 107528040), (18, 95580480), (20, 86022432), (24, 71685360), (27, 63720320), (30, 57348288), (32, 53764020), (36, 47790240), (40, 43011216), (45, 38232192), (48, 35842680), (54, 31860160), (60, 28674144), (64, 26882010), (72, 23895120), (80, 21505608), (90, 19116096), (96, 17921340), (108, 15930080), (120, 14337072), (128, 13441005), (135, 12744064), (144, 11947560), (160, 10752804), (180, 9558048), (192, 8960670), (216, 7965040), (240, 7168536), (270, 6372032), (288, 5973780), (320, 5376402), (360, 4779024), (384, 4480335), (432, 3982520), (480, 3584268), (540, 3186016), (576, 2986890), (640, 2688201), (720, 2389512), (864, 1991260), (960, 1792134), (1080, 1593008), (1152, 1493445), (1440, 1194756), (1728, 995630), (1920, 896067), (2160, 796504), (2880, 597378), (3456, 497815), (4320, 398252), (5760, 298689), (8640, 199126), (17280, 99563)]