68354520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1019}}^1$

素因数の和:1089

約数の個数: 128

約数和(自身を含む): 226195200

約数和(自身を除く): 157840680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 43, 52, 60, 65, 78, 86, 104, 120, 129, 130, 156, 172, 195, 215, 258, 260, 312, 344, 390, 430, 516, 520, 559, 645, 780, 860, 1019, 1032, 1118, 1290, 1560, 1677, 1720, 2038, 2236, 2580, 2795, 3057, 3354, 4076, 4472, 5095, 5160, 5590, 6114, 6708, 8152, 8385, 10190, 11180, 12228, 13247, 13416, 15285, 16770, 20380, 22360, 24456, 26494, 30570, 33540, 39741, 40760, 43817, 52988, 61140, 66235, 67080, 79482, 87634, 105976, 122280, 131451, 132470, 158964, 175268, 198705, 219085, 262902, 264940, 317928, 350536, 397410, 438170, 525804, 529880, 569621, 657255, 794820, 876340, 1051608, 1139242, 1314510, 1589640, 1708863, 1752680, 2278484, 2629020, 2848105, 3417726, 4556968, 5258040, 5696210, 6835452, 8544315, 11392420, 13670904, 17088630, 22784840, 34177260, 68354520]

約数ペア:

[(1, 68354520), (2, 34177260), (3, 22784840), (4, 17088630), (5, 13670904), (6, 11392420), (8, 8544315), (10, 6835452), (12, 5696210), (13, 5258040), (15, 4556968), (20, 3417726), (24, 2848105), (26, 2629020), (30, 2278484), (39, 1752680), (40, 1708863), (43, 1589640), (52, 1314510), (60, 1139242), (65, 1051608), (78, 876340), (86, 794820), (104, 657255), (120, 569621), (129, 529880), (130, 525804), (156, 438170), (172, 397410), (195, 350536), (215, 317928), (258, 264940), (260, 262902), (312, 219085), (344, 198705), (390, 175268), (430, 158964), (516, 132470), (520, 131451), (559, 122280), (645, 105976), (780, 87634), (860, 79482), (1019, 67080), (1032, 66235), (1118, 61140), (1290, 52988), (1560, 43817), (1677, 40760), (1720, 39741), (2038, 33540), (2236, 30570), (2580, 26494), (2795, 24456), (3057, 22360), (3354, 20380), (4076, 16770), (4472, 15285), (5095, 13416), (5160, 13247), (5590, 12228), (6114, 11180), (6708, 10190), (8152, 8385)]