78568740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10151}}^1$

素因数の和:10209

約数の個数: 72

約数和(自身を含む): 243891648

約数和(自身を除く): 165322908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 10151, 20302, 30453, 40604, 50755, 60906, 91359, 101510, 121812, 152265, 182718, 203020, 304530, 365436, 436493, 456795, 609060, 872986, 913590, 1309479, 1745972, 1827180, 2182465, 2618958, 3928437, 4364930, 5237916, 6547395, 7856874, 8729860, 13094790, 15713748, 19642185, 26189580, 39284370, 78568740]

約数ペア:

[(1, 78568740), (2, 39284370), (3, 26189580), (4, 19642185), (5, 15713748), (6, 13094790), (9, 8729860), (10, 7856874), (12, 6547395), (15, 5237916), (18, 4364930), (20, 3928437), (30, 2618958), (36, 2182465), (43, 1827180), (45, 1745972), (60, 1309479), (86, 913590), (90, 872986), (129, 609060), (172, 456795), (180, 436493), (215, 365436), (258, 304530), (387, 203020), (430, 182718), (516, 152265), (645, 121812), (774, 101510), (860, 91359), (1290, 60906), (1548, 50755), (1935, 40604), (2580, 30453), (3870, 20302), (7740, 10151)]