68859280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{122963}}^1$

素因数の和:122983

約数の個数: 40

約数和(自身を含む): 182970432

約数和(自身を除く): 114111152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 122963, 245926, 491852, 614815, 860741, 983704, 1229630, 1721482, 1967408, 2459260, 3442964, 4303705, 4918520, 6885928, 8607410, 9837040, 13771856, 17214820, 34429640, 68859280]

約数ペア:

[(1, 68859280), (2, 34429640), (4, 17214820), (5, 13771856), (7, 9837040), (8, 8607410), (10, 6885928), (14, 4918520), (16, 4303705), (20, 3442964), (28, 2459260), (35, 1967408), (40, 1721482), (56, 1229630), (70, 983704), (80, 860741), (112, 614815), (140, 491852), (280, 245926), (560, 122963)]