68359280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{77681}}^1$

素因数の和:77705

約数の個数: 40

約数和(自身を含む): 173386224

約数和(自身を除く): 105026944

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 77681, 155362, 310724, 388405, 621448, 776810, 854491, 1242896, 1553620, 1708982, 3107240, 3417964, 4272455, 6214480, 6835928, 8544910, 13671856, 17089820, 34179640, 68359280]

約数ペア:

[(1, 68359280), (2, 34179640), (4, 17089820), (5, 13671856), (8, 8544910), (10, 6835928), (11, 6214480), (16, 4272455), (20, 3417964), (22, 3107240), (40, 1708982), (44, 1553620), (55, 1242896), (80, 854491), (88, 776810), (110, 621448), (176, 388405), (220, 310724), (440, 155362), (880, 77681)]