31182720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:280

約数の個数: 128

約数和(自身を含む): 100980000

約数和(自身を除く): 69797280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 109, 120, 128, 149, 160, 192, 218, 240, 298, 320, 327, 384, 436, 447, 480, 545, 596, 640, 654, 745, 872, 894, 960, 1090, 1192, 1308, 1490, 1635, 1744, 1788, 1920, 2180, 2235, 2384, 2616, 2980, 3270, 3488, 3576, 4360, 4470, 4768, 5232, 5960, 6540, 6976, 7152, 8720, 8940, 9536, 10464, 11920, 13080, 13952, 14304, 16241, 17440, 17880, 19072, 20928, 23840, 26160, 28608, 32482, 34880, 35760, 41856, 47680, 48723, 52320, 57216, 64964, 69760, 71520, 81205, 95360, 97446, 104640, 129928, 143040, 162410, 194892, 209280, 243615, 259856, 286080, 324820, 389784, 487230, 519712, 649640, 779568, 974460, 1039424, 1299280, 1559136, 1948920, 2078848, 2598560, 3118272, 3897840, 5197120, 6236544, 7795680, 10394240, 15591360, 31182720]

約数ペア:

[(1, 31182720), (2, 15591360), (3, 10394240), (4, 7795680), (5, 6236544), (6, 5197120), (8, 3897840), (10, 3118272), (12, 2598560), (15, 2078848), (16, 1948920), (20, 1559136), (24, 1299280), (30, 1039424), (32, 974460), (40, 779568), (48, 649640), (60, 519712), (64, 487230), (80, 389784), (96, 324820), (109, 286080), (120, 259856), (128, 243615), (149, 209280), (160, 194892), (192, 162410), (218, 143040), (240, 129928), (298, 104640), (320, 97446), (327, 95360), (384, 81205), (436, 71520), (447, 69760), (480, 64964), (545, 57216), (596, 52320), (640, 48723), (654, 47680), (745, 41856), (872, 35760), (894, 34880), (960, 32482), (1090, 28608), (1192, 26160), (1308, 23840), (1490, 20928), (1635, 19072), (1744, 17880), (1788, 17440), (1920, 16241), (2180, 14304), (2235, 13952), (2384, 13080), (2616, 11920), (2980, 10464), (3270, 9536), (3488, 8940), (3576, 8720), (4360, 7152), (4470, 6976), (4768, 6540), (5232, 5960)]