64172340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8291}}^1$

素因数の和:8349

約数の個数: 72

約数和(自身を含む): 199207008

約数和(自身を除く): 135034668

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, 8291, 16582, 24873, 33164, 41455, 49746, 74619, 82910, 99492, 124365, 149238, 165820, 248730, 298476, 356513, 373095, 497460, 713026, 746190, 1069539, 1426052, 1492380, 1782565, 2139078, 3208617, 3565130, 4278156, 5347695, 6417234, 7130260, 10695390, 12834468, 16043085, 21390780, 32086170, 64172340]

約数ペア:

[(1, 64172340), (2, 32086170), (3, 21390780), (4, 16043085), (5, 12834468), (6, 10695390), (9, 7130260), (10, 6417234), (12, 5347695), (15, 4278156), (18, 3565130), (20, 3208617), (30, 2139078), (36, 1782565), (43, 1492380), (45, 1426052), (60, 1069539), (86, 746190), (90, 713026), (129, 497460), (172, 373095), (180, 356513), (215, 298476), (258, 248730), (387, 165820), (430, 149238), (516, 124365), (645, 99492), (774, 82910), (860, 74619), (1290, 49746), (1548, 41455), (1935, 33164), (2580, 24873), (3870, 16582), (7740, 8291)]