173666680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:269

約数の個数: 128

約数和(自身を含む): 445927680

約数和(自身を除く): 272261000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 67, 86, 88, 110, 134, 137, 172, 215, 220, 268, 274, 335, 344, 430, 440, 473, 536, 548, 670, 685, 737, 860, 946, 1096, 1340, 1370, 1474, 1507, 1720, 1892, 2365, 2680, 2740, 2881, 2948, 3014, 3685, 3784, 4730, 5480, 5762, 5891, 5896, 6028, 7370, 7535, 9179, 9460, 11524, 11782, 12056, 14405, 14740, 15070, 18358, 18920, 23048, 23564, 28810, 29455, 29480, 30140, 31691, 36716, 45895, 47128, 57620, 58910, 60280, 63382, 64801, 73432, 91790, 100969, 115240, 117820, 126764, 129602, 158455, 183580, 201938, 235640, 253528, 259204, 316910, 324005, 367160, 394697, 403876, 504845, 518408, 633820, 648010, 789394, 807752, 1009690, 1267640, 1296020, 1578788, 1973485, 2019380, 2592040, 3157576, 3946970, 4038760, 4341667, 7893940, 8683334, 15787880, 17366668, 21708335, 34733336, 43416670, 86833340, 173666680]

約数ペア:

[(1, 173666680), (2, 86833340), (4, 43416670), (5, 34733336), (8, 21708335), (10, 17366668), (11, 15787880), (20, 8683334), (22, 7893940), (40, 4341667), (43, 4038760), (44, 3946970), (55, 3157576), (67, 2592040), (86, 2019380), (88, 1973485), (110, 1578788), (134, 1296020), (137, 1267640), (172, 1009690), (215, 807752), (220, 789394), (268, 648010), (274, 633820), (335, 518408), (344, 504845), (430, 403876), (440, 394697), (473, 367160), (536, 324005), (548, 316910), (670, 259204), (685, 253528), (737, 235640), (860, 201938), (946, 183580), (1096, 158455), (1340, 129602), (1370, 126764), (1474, 117820), (1507, 115240), (1720, 100969), (1892, 91790), (2365, 73432), (2680, 64801), (2740, 63382), (2881, 60280), (2948, 58910), (3014, 57620), (3685, 47128), (3784, 45895), (4730, 36716), (5480, 31691), (5762, 30140), (5891, 29480), (5896, 29455), (6028, 28810), (7370, 23564), (7535, 23048), (9179, 18920), (9460, 18358), (11524, 15070), (11782, 14740), (12056, 14405)]