66690840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1787}}^1$

素因数の和:2112

約数の個数: 64

約数和(自身を含む): 200828160

約数和(自身を除く): 134137320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 311, 622, 933, 1244, 1555, 1787, 1866, 2488, 3110, 3574, 3732, 4665, 5361, 6220, 7148, 7464, 8935, 9330, 10722, 12440, 14296, 17870, 18660, 21444, 26805, 35740, 37320, 42888, 53610, 71480, 107220, 214440, 555757, 1111514, 1667271, 2223028, 2778785, 3334542, 4446056, 5557570, 6669084, 8336355, 11115140, 13338168, 16672710, 22230280, 33345420, 66690840]

約数ペア:

[(1, 66690840), (2, 33345420), (3, 22230280), (4, 16672710), (5, 13338168), (6, 11115140), (8, 8336355), (10, 6669084), (12, 5557570), (15, 4446056), (20, 3334542), (24, 2778785), (30, 2223028), (40, 1667271), (60, 1111514), (120, 555757), (311, 214440), (622, 107220), (933, 71480), (1244, 53610), (1555, 42888), (1787, 37320), (1866, 35740), (2488, 26805), (3110, 21444), (3574, 18660), (3732, 17870), (4665, 14296), (5361, 12440), (6220, 10722), (7148, 9330), (7464, 8935)]