281550080

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{67}}^2$

素因数の和:169

約数の個数: 162

約数和(自身を含む): 796390434

約数和(自身を除く): 514840354

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 67, 70, 80, 98, 112, 128, 134, 140, 160, 196, 224, 245, 256, 268, 280, 320, 335, 392, 448, 469, 490, 536, 560, 640, 670, 784, 896, 938, 980, 1072, 1120, 1280, 1340, 1568, 1792, 1876, 1960, 2144, 2240, 2345, 2680, 3136, 3283, 3752, 3920, 4288, 4480, 4489, 4690, 5360, 6272, 6566, 7504, 7840, 8576, 8960, 8978, 9380, 10720, 12544, 13132, 15008, 15680, 16415, 17152, 17956, 18760, 21440, 22445, 26264, 30016, 31360, 31423, 32830, 35912, 37520, 42880, 44890, 52528, 60032, 62720, 62846, 65660, 71824, 75040, 85760, 89780, 105056, 120064, 125692, 131320, 143648, 150080, 157115, 179560, 210112, 219961, 251384, 262640, 287296, 300160, 314230, 359120, 420224, 439922, 502768, 525280, 574592, 600320, 628460, 718240, 840448, 879844, 1005536, 1050560, 1099805, 1149184, 1256920, 1436480, 1759688, 2011072, 2101120, 2199610, 2513840, 2872960, 3519376, 4022144, 4202240, 4399220, 5027680, 5745920, 7038752, 8044288, 8798440, 10055360, 14077504, 17596880, 20110720, 28155008, 35193760, 40221440, 56310016, 70387520, 140775040, 281550080]

約数ペア:

[(1, 281550080), (2, 140775040), (4, 70387520), (5, 56310016), (7, 40221440), (8, 35193760), (10, 28155008), (14, 20110720), (16, 17596880), (20, 14077504), (28, 10055360), (32, 8798440), (35, 8044288), (40, 7038752), (49, 5745920), (56, 5027680), (64, 4399220), (67, 4202240), (70, 4022144), (80, 3519376), (98, 2872960), (112, 2513840), (128, 2199610), (134, 2101120), (140, 2011072), (160, 1759688), (196, 1436480), (224, 1256920), (245, 1149184), (256, 1099805), (268, 1050560), (280, 1005536), (320, 879844), (335, 840448), (392, 718240), (448, 628460), (469, 600320), (490, 574592), (536, 525280), (560, 502768), (640, 439922), (670, 420224), (784, 359120), (896, 314230), (938, 300160), (980, 287296), (1072, 262640), (1120, 251384), (1280, 219961), (1340, 210112), (1568, 179560), (1792, 157115), (1876, 150080), (1960, 143648), (2144, 131320), (2240, 125692), (2345, 120064), (2680, 105056), (3136, 89780), (3283, 85760), (3752, 75040), (3920, 71824), (4288, 65660), (4480, 62846), (4489, 62720), (4690, 60032), (5360, 52528), (6272, 44890), (6566, 42880), (7504, 37520), (7840, 35912), (8576, 32830), (8960, 31423), (8978, 31360), (9380, 30016), (10720, 26264), (12544, 22445), (13132, 21440), (15008, 18760), (15680, 17956), (16415, 17152)]