68720640

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{2237}}^1$

素因数の和:2267

約数の個数: 96

約数和(自身を含む): 219950640

約数和(自身を除く): 151230000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1536, 1920, 2048, 2237, 2560, 3072, 3840, 4474, 5120, 6144, 6711, 7680, 8948, 10240, 11185, 13422, 15360, 17896, 22370, 26844, 30720, 33555, 35792, 44740, 53688, 67110, 71584, 89480, 107376, 134220, 143168, 178960, 214752, 268440, 286336, 357920, 429504, 536880, 572672, 715840, 859008, 1073760, 1145344, 1431680, 1718016, 2147520, 2290688, 2863360, 3436032, 4295040, 4581376, 5726720, 6872064, 8590080, 11453440, 13744128, 17180160, 22906880, 34360320, 68720640]

約数ペア:

[(1, 68720640), (2, 34360320), (3, 22906880), (4, 17180160), (5, 13744128), (6, 11453440), (8, 8590080), (10, 6872064), (12, 5726720), (15, 4581376), (16, 4295040), (20, 3436032), (24, 2863360), (30, 2290688), (32, 2147520), (40, 1718016), (48, 1431680), (60, 1145344), (64, 1073760), (80, 859008), (96, 715840), (120, 572672), (128, 536880), (160, 429504), (192, 357920), (240, 286336), (256, 268440), (320, 214752), (384, 178960), (480, 143168), (512, 134220), (640, 107376), (768, 89480), (960, 71584), (1024, 67110), (1280, 53688), (1536, 44740), (1920, 35792), (2048, 33555), (2237, 30720), (2560, 26844), (3072, 22370), (3840, 17896), (4474, 15360), (5120, 13422), (6144, 11185), (6711, 10240), (7680, 8948)]