31184520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1721}}^1$

素因数の和:1886

約数の個数: 64

約数和(自身を含む): 94227840

約数和(自身を除く): 63043320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 151, 302, 453, 604, 755, 906, 1208, 1510, 1721, 1812, 2265, 3020, 3442, 3624, 4530, 5163, 6040, 6884, 8605, 9060, 10326, 13768, 17210, 18120, 20652, 25815, 34420, 41304, 51630, 68840, 103260, 206520, 259871, 519742, 779613, 1039484, 1299355, 1559226, 2078968, 2598710, 3118452, 3898065, 5197420, 6236904, 7796130, 10394840, 15592260, 31184520]

約数ペア:

[(1, 31184520), (2, 15592260), (3, 10394840), (4, 7796130), (5, 6236904), (6, 5197420), (8, 3898065), (10, 3118452), (12, 2598710), (15, 2078968), (20, 1559226), (24, 1299355), (30, 1039484), (40, 779613), (60, 519742), (120, 259871), (151, 206520), (302, 103260), (453, 68840), (604, 51630), (755, 41304), (906, 34420), (1208, 25815), (1510, 20652), (1721, 18120), (1812, 17210), (2265, 13768), (3020, 10326), (3442, 9060), (3624, 8605), (4530, 6884), (5163, 6040)]