491652540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{63521}}^1$

素因数の和:63579

約数の個数: 72

約数和(自身を含む): 1526052528

約数和(自身を除く): 1034399988

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, 63521, 127042, 190563, 254084, 317605, 381126, 571689, 635210, 762252, 952815, 1143378, 1270420, 1905630, 2286756, 2731403, 2858445, 3811260, 5462806, 5716890, 8194209, 10925612, 11433780, 13657015, 16388418, 24582627, 27314030, 32776836, 40971045, 49165254, 54628060, 81942090, 98330508, 122913135, 163884180, 245826270, 491652540]

約数ペア:

[(1, 491652540), (2, 245826270), (3, 163884180), (4, 122913135), (5, 98330508), (6, 81942090), (9, 54628060), (10, 49165254), (12, 40971045), (15, 32776836), (18, 27314030), (20, 24582627), (30, 16388418), (36, 13657015), (43, 11433780), (45, 10925612), (60, 8194209), (86, 5716890), (90, 5462806), (129, 3811260), (172, 2858445), (180, 2731403), (215, 2286756), (258, 1905630), (387, 1270420), (430, 1143378), (516, 952815), (645, 762252), (774, 635210), (860, 571689), (1290, 381126), (1548, 317605), (1935, 254084), (2580, 190563), (3870, 127042), (7740, 63521)]