31680420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{619}}^1\times {\mathrm{853}}^1$

素因数の和:1484

約数の個数: 48

約数和(自身を含む): 88952640

約数和(自身を除く): 57272220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 619, 853, 1238, 1706, 1857, 2476, 2559, 3095, 3412, 3714, 4265, 5118, 6190, 7428, 8530, 9285, 10236, 12380, 12795, 17060, 18570, 25590, 37140, 51180, 528007, 1056014, 1584021, 2112028, 2640035, 3168042, 5280070, 6336084, 7920105, 10560140, 15840210, 31680420]

約数ペア:

[(1, 31680420), (2, 15840210), (3, 10560140), (4, 7920105), (5, 6336084), (6, 5280070), (10, 3168042), (12, 2640035), (15, 2112028), (20, 1584021), (30, 1056014), (60, 528007), (619, 51180), (853, 37140), (1238, 25590), (1706, 18570), (1857, 17060), (2476, 12795), (2559, 12380), (3095, 10236), (3412, 9285), (3714, 8530), (4265, 7428), (5118, 6190)]