68473240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{155621}}^1$

素因数の和:155643

約数の個数: 32

約数和(自身を含む): 168071760

約数和(自身を除く): 99598520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 155621, 311242, 622484, 778105, 1244968, 1556210, 1711831, 3112420, 3423662, 6224840, 6847324, 8559155, 13694648, 17118310, 34236620, 68473240]

約数ペア:

[(1, 68473240), (2, 34236620), (4, 17118310), (5, 13694648), (8, 8559155), (10, 6847324), (11, 6224840), (20, 3423662), (22, 3112420), (40, 1711831), (44, 1556210), (55, 1244968), (88, 778105), (110, 622484), (220, 311242), (440, 155621)]