20215402560

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{226427}}^1$

素因数の和:226481

約数の個数: 168

約数和(自身を含む): 71775864576

約数和(自身を除く): 51560462016

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 192, 240, 248, 279, 288, 310, 320, 360, 372, 465, 480, 496, 558, 576, 620, 720, 744, 930, 960, 992, 1116, 1240, 1395, 1440, 1488, 1860, 1984, 2232, 2480, 2790, 2880, 2976, 3720, 4464, 4960, 5580, 5952, 7440, 8928, 9920, 11160, 14880, 17856, 22320, 29760, 44640, 89280, 226427, 452854, 679281, 905708, 1132135, 1358562, 1811416, 2037843, 2264270, 2717124, 3396405, 3622832, 4075686, 4528540, 5434248, 6792810, 7019237, 7245664, 8151372, 9057080, 10189215, 10868496, 13585620, 14038474, 14491328, 16302744, 18114160, 20378430, 21057711, 21736992, 27171240, 28076948, 32605488, 35096185, 36228320, 40756860, 42115422, 43473984, 54342480, 56153896, 63173133, 65210976, 70192370, 72456640, 81513720, 84230844, 105288555, 108684960, 112307792, 126346266, 130421952, 140384740, 163027440, 168461688, 210577110, 217369920, 224615584, 252692532, 280769480, 315865665, 326054880, 336923376, 421154220, 449231168, 505385064, 561538960, 631731330, 652109760, 673846752, 842308440, 1010770128, 1123077920, 1263462660, 1347693504, 1684616880, 2021540256, 2246155840, 2526925320, 3369233760, 4043080512, 5053850640, 6738467520, 10107701280, 20215402560]

約数ペア:

[(1, 20215402560), (2, 10107701280), (3, 6738467520), (4, 5053850640), (5, 4043080512), (6, 3369233760), (8, 2526925320), (9, 2246155840), (10, 2021540256), (12, 1684616880), (15, 1347693504), (16, 1263462660), (18, 1123077920), (20, 1010770128), (24, 842308440), (30, 673846752), (31, 652109760), (32, 631731330), (36, 561538960), (40, 505385064), (45, 449231168), (48, 421154220), (60, 336923376), (62, 326054880), (64, 315865665), (72, 280769480), (80, 252692532), (90, 224615584), (93, 217369920), (96, 210577110), (120, 168461688), (124, 163027440), (144, 140384740), (155, 130421952), (160, 126346266), (180, 112307792), (186, 108684960), (192, 105288555), (240, 84230844), (248, 81513720), (279, 72456640), (288, 70192370), (310, 65210976), (320, 63173133), (360, 56153896), (372, 54342480), (465, 43473984), (480, 42115422), (496, 40756860), (558, 36228320), (576, 35096185), (620, 32605488), (720, 28076948), (744, 27171240), (930, 21736992), (960, 21057711), (992, 20378430), (1116, 18114160), (1240, 16302744), (1395, 14491328), (1440, 14038474), (1488, 13585620), (1860, 10868496), (1984, 10189215), (2232, 9057080), (2480, 8151372), (2790, 7245664), (2880, 7019237), (2976, 6792810), (3720, 5434248), (4464, 4528540), (4960, 4075686), (5580, 3622832), (5952, 3396405), (7440, 2717124), (8928, 2264270), (9920, 2037843), (11160, 1811416), (14880, 1358562), (17856, 1132135), (22320, 905708), (29760, 679281), (44640, 452854), (89280, 226427)]