122513280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{63809}}^1$

素因数の和:63831

約数の個数: 64

約数和(自身を含む): 390517200

約数和(自身を除く): 268003920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 63809, 127618, 191427, 255236, 319045, 382854, 510472, 638090, 765708, 957135, 1020944, 1276180, 1531416, 1914270, 2041888, 2552360, 3062832, 3828540, 4083776, 5104720, 6125664, 7657080, 8167552, 10209440, 12251328, 15314160, 20418880, 24502656, 30628320, 40837760, 61256640, 122513280]

約数ペア:

[(1, 122513280), (2, 61256640), (3, 40837760), (4, 30628320), (5, 24502656), (6, 20418880), (8, 15314160), (10, 12251328), (12, 10209440), (15, 8167552), (16, 7657080), (20, 6125664), (24, 5104720), (30, 4083776), (32, 3828540), (40, 3062832), (48, 2552360), (60, 2041888), (64, 1914270), (80, 1531416), (96, 1276180), (120, 1020944), (128, 957135), (160, 765708), (192, 638090), (240, 510472), (320, 382854), (384, 319045), (480, 255236), (640, 191427), (960, 127618), (1920, 63809)]