81960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{683}}^1$

素因数の和:697

約数の個数: 32

約数和(自身を含む): 246240

約数和(自身を除く): 164280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 683, 1366, 2049, 2732, 3415, 4098, 5464, 6830, 8196, 10245, 13660, 16392, 20490, 27320, 40980, 81960]

約数ペア:

[(1, 81960), (2, 40980), (3, 27320), (4, 20490), (5, 16392), (6, 13660), (8, 10245), (10, 8196), (12, 6830), (15, 5464), (20, 4098), (24, 3415), (30, 2732), (40, 2049), (60, 1366), (120, 683)]