1230531840

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{479}}^1$

素因数の和:729

約数の個数: 216

約数和(自身を含む): 4285532160

約数和(自身を除く): 3055000320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 223, 240, 256, 288, 320, 360, 384, 446, 479, 480, 576, 640, 669, 720, 768, 892, 958, 960, 1115, 1152, 1280, 1338, 1437, 1440, 1784, 1916, 1920, 2007, 2230, 2304, 2395, 2676, 2874, 2880, 3345, 3568, 3832, 3840, 4014, 4311, 4460, 4790, 5352, 5748, 5760, 6690, 7136, 7185, 7664, 8028, 8622, 8920, 9580, 10035, 10704, 11496, 11520, 13380, 14272, 14370, 15328, 16056, 17244, 17840, 19160, 20070, 21408, 21555, 22992, 26760, 28544, 28740, 30656, 32112, 34488, 35680, 38320, 40140, 42816, 43110, 45984, 53520, 57088, 57480, 61312, 64224, 68976, 71360, 76640, 80280, 85632, 86220, 91968, 106817, 107040, 114960, 122624, 128448, 137952, 142720, 153280, 160560, 171264, 172440, 183936, 213634, 214080, 229920, 256896, 275904, 285440, 306560, 320451, 321120, 344880, 367872, 427268, 428160, 459840, 513792, 534085, 551808, 613120, 640902, 642240, 689760, 854536, 856320, 919680, 961353, 1068170, 1103616, 1281804, 1284480, 1379520, 1602255, 1709072, 1839360, 1922706, 2136340, 2563608, 2568960, 2759040, 3204510, 3418144, 3845412, 4272680, 4806765, 5127216, 5518080, 6409020, 6836288, 7690824, 8545360, 9613530, 10254432, 12818040, 13672576, 15381648, 17090720, 19227060, 20508864, 25636080, 27345152, 30763296, 34181440, 38454120, 41017728, 51272160, 61526592, 68362880, 76908240, 82035456, 102544320, 123053184, 136725760, 153816480, 205088640, 246106368, 307632960, 410177280, 615265920, 1230531840]

約数ペア:

[(1, 1230531840), (2, 615265920), (3, 410177280), (4, 307632960), (5, 246106368), (6, 205088640), (8, 153816480), (9, 136725760), (10, 123053184), (12, 102544320), (15, 82035456), (16, 76908240), (18, 68362880), (20, 61526592), (24, 51272160), (30, 41017728), (32, 38454120), (36, 34181440), (40, 30763296), (45, 27345152), (48, 25636080), (60, 20508864), (64, 19227060), (72, 17090720), (80, 15381648), (90, 13672576), (96, 12818040), (120, 10254432), (128, 9613530), (144, 8545360), (160, 7690824), (180, 6836288), (192, 6409020), (223, 5518080), (240, 5127216), (256, 4806765), (288, 4272680), (320, 3845412), (360, 3418144), (384, 3204510), (446, 2759040), (479, 2568960), (480, 2563608), (576, 2136340), (640, 1922706), (669, 1839360), (720, 1709072), (768, 1602255), (892, 1379520), (958, 1284480), (960, 1281804), (1115, 1103616), (1152, 1068170), (1280, 961353), (1338, 919680), (1437, 856320), (1440, 854536), (1784, 689760), (1916, 642240), (1920, 640902), (2007, 613120), (2230, 551808), (2304, 534085), (2395, 513792), (2676, 459840), (2874, 428160), (2880, 427268), (3345, 367872), (3568, 344880), (3832, 321120), (3840, 320451), (4014, 306560), (4311, 285440), (4460, 275904), (4790, 256896), (5352, 229920), (5748, 214080), (5760, 213634), (6690, 183936), (7136, 172440), (7185, 171264), (7664, 160560), (8028, 153280), (8622, 142720), (8920, 137952), (9580, 128448), (10035, 122624), (10704, 114960), (11496, 107040), (11520, 106817), (13380, 91968), (14272, 86220), (14370, 85632), (15328, 80280), (16056, 76640), (17244, 71360), (17840, 68976), (19160, 64224), (20070, 61312), (21408, 57480), (21555, 57088), (22992, 53520), (26760, 45984), (28544, 43110), (28740, 42816), (30656, 40140), (32112, 38320), (34488, 35680)]