821244720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{3421853}}^1$

素因数の和:3421869

約数の個数: 40

約数和(自身を含む): 2545859376

約数和(自身を除く): 1724614656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 3421853, 6843706, 10265559, 13687412, 17109265, 20531118, 27374824, 34218530, 41062236, 51327795, 54749648, 68437060, 82124472, 102655590, 136874120, 164248944, 205311180, 273748240, 410622360, 821244720]

約数ペア:

[(1, 821244720), (2, 410622360), (3, 273748240), (4, 205311180), (5, 164248944), (6, 136874120), (8, 102655590), (10, 82124472), (12, 68437060), (15, 54749648), (16, 51327795), (20, 41062236), (24, 34218530), (30, 27374824), (40, 20531118), (48, 17109265), (60, 13687412), (80, 10265559), (120, 6843706), (240, 3421853)]