67486720

素因数分解:

$2^{10}\times 5^1\times 7^2\times {\mathrm{269}}^1$

素因数の和:308

約数の個数: 132

約数和(自身を含む): 189019980

約数和(自身を除く): 121533260

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 269, 280, 320, 392, 448, 490, 512, 538, 560, 640, 784, 896, 980, 1024, 1076, 1120, 1280, 1345, 1568, 1792, 1883, 1960, 2152, 2240, 2560, 2690, 3136, 3584, 3766, 3920, 4304, 4480, 5120, 5380, 6272, 7168, 7532, 7840, 8608, 8960, 9415, 10760, 12544, 13181, 15064, 15680, 17216, 17920, 18830, 21520, 25088, 26362, 30128, 31360, 34432, 35840, 37660, 43040, 50176, 52724, 60256, 62720, 65905, 68864, 75320, 86080, 105448, 120512, 125440, 131810, 137728, 150640, 172160, 210896, 241024, 250880, 263620, 275456, 301280, 344320, 421792, 482048, 527240, 602560, 688640, 843584, 964096, 1054480, 1205120, 1377280, 1687168, 1928192, 2108960, 2410240, 3374336, 4217920, 4820480, 6748672, 8435840, 9640960, 13497344, 16871680, 33743360, 67486720]

約数ペア:

[(1, 67486720), (2, 33743360), (4, 16871680), (5, 13497344), (7, 9640960), (8, 8435840), (10, 6748672), (14, 4820480), (16, 4217920), (20, 3374336), (28, 2410240), (32, 2108960), (35, 1928192), (40, 1687168), (49, 1377280), (56, 1205120), (64, 1054480), (70, 964096), (80, 843584), (98, 688640), (112, 602560), (128, 527240), (140, 482048), (160, 421792), (196, 344320), (224, 301280), (245, 275456), (256, 263620), (269, 250880), (280, 241024), (320, 210896), (392, 172160), (448, 150640), (490, 137728), (512, 131810), (538, 125440), (560, 120512), (640, 105448), (784, 86080), (896, 75320), (980, 68864), (1024, 65905), (1076, 62720), (1120, 60256), (1280, 52724), (1345, 50176), (1568, 43040), (1792, 37660), (1883, 35840), (1960, 34432), (2152, 31360), (2240, 30128), (2560, 26362), (2690, 25088), (3136, 21520), (3584, 18830), (3766, 17920), (3920, 17216), (4304, 15680), (4480, 15064), (5120, 13181), (5380, 12544), (6272, 10760), (7168, 9415), (7532, 8960), (7840, 8608)]