81194520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61511}}^1$

素因数の和:61536

約数の個数: 64

約数和(自身を含む): 265731840

約数和(自身を除く): 184537320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 61511, 123022, 184533, 246044, 307555, 369066, 492088, 615110, 676621, 738132, 922665, 1230220, 1353242, 1476264, 1845330, 2029863, 2460440, 2706484, 3383105, 3690660, 4059726, 5412968, 6766210, 7381320, 8119452, 10149315, 13532420, 16238904, 20298630, 27064840, 40597260, 81194520]

約数ペア:

[(1, 81194520), (2, 40597260), (3, 27064840), (4, 20298630), (5, 16238904), (6, 13532420), (8, 10149315), (10, 8119452), (11, 7381320), (12, 6766210), (15, 5412968), (20, 4059726), (22, 3690660), (24, 3383105), (30, 2706484), (33, 2460440), (40, 2029863), (44, 1845330), (55, 1476264), (60, 1353242), (66, 1230220), (88, 922665), (110, 738132), (120, 676621), (132, 615110), (165, 492088), (220, 369066), (264, 307555), (330, 246044), (440, 184533), (660, 123022), (1320, 61511)]