68914120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{156623}}^1$

素因数の和:156645

約数の個数: 32

約数和(自身を含む): 169153920

約数和(自身を除く): 100239800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 156623, 313246, 626492, 783115, 1252984, 1566230, 1722853, 3132460, 3445706, 6264920, 6891412, 8614265, 13782824, 17228530, 34457060, 68914120]

約数ペア:

[(1, 68914120), (2, 34457060), (4, 17228530), (5, 13782824), (8, 8614265), (10, 6891412), (11, 6264920), (20, 3445706), (22, 3132460), (40, 1722853), (44, 1566230), (55, 1252984), (88, 783115), (110, 626492), (220, 313246), (440, 156623)]