820208640

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{797}}^1$

素因数の和:892

約数の個数: 176

約数和(自身を含む): 2665881792

約数和(自身を除く): 1845673152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 67, 80, 96, 120, 128, 134, 160, 192, 201, 240, 256, 268, 320, 335, 384, 402, 480, 512, 536, 640, 670, 768, 797, 804, 960, 1005, 1024, 1072, 1280, 1340, 1536, 1594, 1608, 1920, 2010, 2144, 2391, 2560, 2680, 3072, 3188, 3216, 3840, 3985, 4020, 4288, 4782, 5120, 5360, 6376, 6432, 7680, 7970, 8040, 8576, 9564, 10720, 11955, 12752, 12864, 15360, 15940, 16080, 17152, 19128, 21440, 23910, 25504, 25728, 31880, 32160, 34304, 38256, 42880, 47820, 51008, 51456, 53399, 63760, 64320, 68608, 76512, 85760, 95640, 102016, 102912, 106798, 127520, 128640, 153024, 160197, 171520, 191280, 204032, 205824, 213596, 255040, 257280, 266995, 306048, 320394, 343040, 382560, 408064, 427192, 510080, 514560, 533990, 612096, 640788, 765120, 800985, 816128, 854384, 1020160, 1029120, 1067980, 1224192, 1281576, 1530240, 1601970, 1708768, 2040320, 2135960, 2448384, 2563152, 3060480, 3203940, 3417536, 4080640, 4271920, 5126304, 6120960, 6407880, 6835072, 8543840, 10252608, 12241920, 12815760, 13670144, 17087680, 20505216, 25631520, 27340288, 34175360, 41010432, 51263040, 54680576, 68350720, 82020864, 102526080, 136701440, 164041728, 205052160, 273402880, 410104320, 820208640]

約数ペア:

[(1, 820208640), (2, 410104320), (3, 273402880), (4, 205052160), (5, 164041728), (6, 136701440), (8, 102526080), (10, 82020864), (12, 68350720), (15, 54680576), (16, 51263040), (20, 41010432), (24, 34175360), (30, 27340288), (32, 25631520), (40, 20505216), (48, 17087680), (60, 13670144), (64, 12815760), (67, 12241920), (80, 10252608), (96, 8543840), (120, 6835072), (128, 6407880), (134, 6120960), (160, 5126304), (192, 4271920), (201, 4080640), (240, 3417536), (256, 3203940), (268, 3060480), (320, 2563152), (335, 2448384), (384, 2135960), (402, 2040320), (480, 1708768), (512, 1601970), (536, 1530240), (640, 1281576), (670, 1224192), (768, 1067980), (797, 1029120), (804, 1020160), (960, 854384), (1005, 816128), (1024, 800985), (1072, 765120), (1280, 640788), (1340, 612096), (1536, 533990), (1594, 514560), (1608, 510080), (1920, 427192), (2010, 408064), (2144, 382560), (2391, 343040), (2560, 320394), (2680, 306048), (3072, 266995), (3188, 257280), (3216, 255040), (3840, 213596), (3985, 205824), (4020, 204032), (4288, 191280), (4782, 171520), (5120, 160197), (5360, 153024), (6376, 128640), (6432, 127520), (7680, 106798), (7970, 102912), (8040, 102016), (8576, 95640), (9564, 85760), (10720, 76512), (11955, 68608), (12752, 64320), (12864, 63760), (15360, 53399), (15940, 51456), (16080, 51008), (17152, 47820), (19128, 42880), (21440, 38256), (23910, 34304), (25504, 32160), (25728, 31880)]