68811680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:227

約数の個数: 144

約数和(自身を含む): 193396896

約数和(自身を除く): 124585216

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 67, 70, 80, 98, 112, 131, 134, 140, 160, 196, 224, 245, 262, 268, 280, 335, 392, 469, 490, 524, 536, 560, 655, 670, 784, 917, 938, 980, 1048, 1072, 1120, 1310, 1340, 1568, 1834, 1876, 1960, 2096, 2144, 2345, 2620, 2680, 3283, 3668, 3752, 3920, 4192, 4585, 4690, 5240, 5360, 6419, 6566, 7336, 7504, 7840, 8777, 9170, 9380, 10480, 10720, 12838, 13132, 14672, 15008, 16415, 17554, 18340, 18760, 20960, 25676, 26264, 29344, 32095, 32830, 35108, 36680, 37520, 43885, 51352, 52528, 61439, 64190, 65660, 70216, 73360, 75040, 87770, 102704, 105056, 122878, 128380, 131320, 140432, 146720, 175540, 205408, 245756, 256760, 262640, 280864, 307195, 351080, 430073, 491512, 513520, 525280, 614390, 702160, 860146, 983024, 1027040, 1228780, 1404320, 1720292, 1966048, 2150365, 2457560, 3440584, 4300730, 4915120, 6881168, 8601460, 9830240, 13762336, 17202920, 34405840, 68811680]

約数ペア:

[(1, 68811680), (2, 34405840), (4, 17202920), (5, 13762336), (7, 9830240), (8, 8601460), (10, 6881168), (14, 4915120), (16, 4300730), (20, 3440584), (28, 2457560), (32, 2150365), (35, 1966048), (40, 1720292), (49, 1404320), (56, 1228780), (67, 1027040), (70, 983024), (80, 860146), (98, 702160), (112, 614390), (131, 525280), (134, 513520), (140, 491512), (160, 430073), (196, 351080), (224, 307195), (245, 280864), (262, 262640), (268, 256760), (280, 245756), (335, 205408), (392, 175540), (469, 146720), (490, 140432), (524, 131320), (536, 128380), (560, 122878), (655, 105056), (670, 102704), (784, 87770), (917, 75040), (938, 73360), (980, 70216), (1048, 65660), (1072, 64190), (1120, 61439), (1310, 52528), (1340, 51352), (1568, 43885), (1834, 37520), (1876, 36680), (1960, 35108), (2096, 32830), (2144, 32095), (2345, 29344), (2620, 26264), (2680, 25676), (3283, 20960), (3668, 18760), (3752, 18340), (3920, 17554), (4192, 16415), (4585, 15008), (4690, 14672), (5240, 13132), (5360, 12838), (6419, 10720), (6566, 10480), (7336, 9380), (7504, 9170), (7840, 8777)]