68178435

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 123475968

約数和(自身を除く): 55297533

約数列:

[1, 3, 5, 13, 15, 39, 43, 47, 65, 129, 141, 173, 195, 215, 235, 519, 559, 611, 645, 705, 865, 1677, 1833, 2021, 2249, 2595, 2795, 3055, 6063, 6747, 7439, 8131, 8385, 9165, 10105, 11245, 22317, 24393, 26273, 30315, 33735, 37195, 40655, 78819, 96707, 105703, 111585, 121965, 131365, 290121, 317109, 349633, 394095, 483535, 528515, 1048899, 1450605, 1585545, 1748165, 4545229, 5244495, 13635687, 22726145, 68178435]

約数ペア:

[(1, 68178435), (3, 22726145), (5, 13635687), (13, 5244495), (15, 4545229), (39, 1748165), (43, 1585545), (47, 1450605), (65, 1048899), (129, 528515), (141, 483535), (173, 394095), (195, 349633), (215, 317109), (235, 290121), (519, 131365), (559, 121965), (611, 111585), (645, 105703), (705, 96707), (865, 78819), (1677, 40655), (1833, 37195), (2021, 33735), (2249, 30315), (2595, 26273), (2795, 24393), (3055, 22317), (6063, 11245), (6747, 10105), (7439, 9165), (8131, 8385)]