68998580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{547}}^1$

素因数の和:633

約数の個数: 96

約数和(自身を含む): 178972416

約数和(自身を除く): 109973836

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 53, 68, 70, 85, 106, 119, 140, 170, 212, 238, 265, 340, 371, 476, 530, 547, 595, 742, 901, 1060, 1094, 1190, 1484, 1802, 1855, 2188, 2380, 2735, 3604, 3710, 3829, 4505, 5470, 6307, 7420, 7658, 9010, 9299, 10940, 12614, 15316, 18020, 18598, 19145, 25228, 28991, 31535, 37196, 38290, 46495, 57982, 63070, 65093, 76580, 92990, 115964, 126140, 130186, 144955, 185980, 202937, 260372, 289910, 325465, 405874, 492847, 579820, 650930, 811748, 985694, 1014685, 1301860, 1971388, 2029370, 2464235, 3449929, 4058740, 4928470, 6899858, 9856940, 13799716, 17249645, 34499290, 68998580]

約数ペア:

[(1, 68998580), (2, 34499290), (4, 17249645), (5, 13799716), (7, 9856940), (10, 6899858), (14, 4928470), (17, 4058740), (20, 3449929), (28, 2464235), (34, 2029370), (35, 1971388), (53, 1301860), (68, 1014685), (70, 985694), (85, 811748), (106, 650930), (119, 579820), (140, 492847), (170, 405874), (212, 325465), (238, 289910), (265, 260372), (340, 202937), (371, 185980), (476, 144955), (530, 130186), (547, 126140), (595, 115964), (742, 92990), (901, 76580), (1060, 65093), (1094, 63070), (1190, 57982), (1484, 46495), (1802, 38290), (1855, 37196), (2188, 31535), (2380, 28991), (2735, 25228), (3604, 19145), (3710, 18598), (3829, 18020), (4505, 15316), (5470, 12614), (6307, 10940), (7420, 9299), (7658, 9010)]