67213720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{240049}}^1$

素因数の和:240067

約数の個数: 32

約数和(自身を含む): 172836000

約数和(自身を除く): 105622280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 240049, 480098, 960196, 1200245, 1680343, 1920392, 2400490, 3360686, 4800980, 6721372, 8401715, 9601960, 13442744, 16803430, 33606860, 67213720]

約数ペア:

[(1, 67213720), (2, 33606860), (4, 16803430), (5, 13442744), (7, 9601960), (8, 8401715), (10, 6721372), (14, 4800980), (20, 3360686), (28, 2400490), (35, 1920392), (40, 1680343), (56, 1200245), (70, 960196), (140, 480098), (280, 240049)]