68458720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:524

約数の個数: 96

約数和(自身を含む): 178700256

約数和(自身を除く): 110241536

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 97, 110, 160, 176, 194, 220, 352, 388, 401, 440, 485, 776, 802, 880, 970, 1067, 1552, 1604, 1760, 1940, 2005, 2134, 3104, 3208, 3880, 4010, 4268, 4411, 5335, 6416, 7760, 8020, 8536, 8822, 10670, 12832, 15520, 16040, 17072, 17644, 21340, 22055, 32080, 34144, 35288, 38897, 42680, 44110, 64160, 70576, 77794, 85360, 88220, 141152, 155588, 170720, 176440, 194485, 311176, 352880, 388970, 427867, 622352, 705760, 777940, 855734, 1244704, 1555880, 1711468, 2139335, 3111760, 3422936, 4278670, 6223520, 6845872, 8557340, 13691744, 17114680, 34229360, 68458720]

約数ペア:

[(1, 68458720), (2, 34229360), (4, 17114680), (5, 13691744), (8, 8557340), (10, 6845872), (11, 6223520), (16, 4278670), (20, 3422936), (22, 3111760), (32, 2139335), (40, 1711468), (44, 1555880), (55, 1244704), (80, 855734), (88, 777940), (97, 705760), (110, 622352), (160, 427867), (176, 388970), (194, 352880), (220, 311176), (352, 194485), (388, 176440), (401, 170720), (440, 155588), (485, 141152), (776, 88220), (802, 85360), (880, 77794), (970, 70576), (1067, 64160), (1552, 44110), (1604, 42680), (1760, 38897), (1940, 35288), (2005, 34144), (2134, 32080), (3104, 22055), (3208, 21340), (3880, 17644), (4010, 17072), (4268, 16040), (4411, 15520), (5335, 12832), (6416, 10670), (7760, 8822), (8020, 8536)]