686940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^2$

素因数の和:226

約数の個数: 36

約数和(自身を含む): 1941576

約数和(自身を除く): 1254636

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3210, 6420, 11449, 22898, 34347, 45796, 57245, 68694, 114490, 137388, 171735, 228980, 343470, 686940]

約数ペア:

[(1, 686940), (2, 343470), (3, 228980), (4, 171735), (5, 137388), (6, 114490), (10, 68694), (12, 57245), (15, 45796), (20, 34347), (30, 22898), (60, 11449), (107, 6420), (214, 3210), (321, 2140), (428, 1605), (535, 1284), (642, 1070)]