1245655680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{648779}}^1$

素因数の和:648801

約数の個数: 64

約数和(自身を含む): 3970533600

約数和(自身を除く): 2724877920

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, 648779, 1297558, 1946337, 2595116, 3243895, 3892674, 5190232, 6487790, 7785348, 9731685, 10380464, 12975580, 15570696, 19463370, 20760928, 25951160, 31141392, 38926740, 41521856, 51902320, 62282784, 77853480, 83043712, 103804640, 124565568, 155706960, 207609280, 249131136, 311413920, 415218560, 622827840, 1245655680]

約数ペア:

[(1, 1245655680), (2, 622827840), (3, 415218560), (4, 311413920), (5, 249131136), (6, 207609280), (8, 155706960), (10, 124565568), (12, 103804640), (15, 83043712), (16, 77853480), (20, 62282784), (24, 51902320), (30, 41521856), (32, 38926740), (40, 31141392), (48, 25951160), (60, 20760928), (64, 19463370), (80, 15570696), (96, 12975580), (120, 10380464), (128, 9731685), (160, 7785348), (192, 6487790), (240, 5190232), (320, 3892674), (384, 3243895), (480, 2595116), (640, 1946337), (960, 1297558), (1920, 648779)]