205426560

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{106993}}^1$

素因数の和:107015

約数の個数: 64

約数和(自身を含む): 654803280

約数和(自身を除く): 449376720

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, 106993, 213986, 320979, 427972, 534965, 641958, 855944, 1069930, 1283916, 1604895, 1711888, 2139860, 2567832, 3209790, 3423776, 4279720, 5135664, 6419580, 6847552, 8559440, 10271328, 12839160, 13695104, 17118880, 20542656, 25678320, 34237760, 41085312, 51356640, 68475520, 102713280, 205426560]

約数ペア:

[(1, 205426560), (2, 102713280), (3, 68475520), (4, 51356640), (5, 41085312), (6, 34237760), (8, 25678320), (10, 20542656), (12, 17118880), (15, 13695104), (16, 12839160), (20, 10271328), (24, 8559440), (30, 6847552), (32, 6419580), (40, 5135664), (48, 4279720), (60, 3423776), (64, 3209790), (80, 2567832), (96, 2139860), (120, 1711888), (128, 1604895), (160, 1283916), (192, 1069930), (240, 855944), (320, 641958), (384, 534965), (480, 427972), (640, 320979), (960, 213986), (1920, 106993)]