68796640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{39089}}^1$

素因数の和:39115

約数の個数: 48

約数和(自身を含む): 177312240

約数和(自身を除く): 108515600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 39089, 78178, 156356, 195445, 312712, 390890, 429979, 625424, 781780, 859958, 1250848, 1563560, 1719916, 2149895, 3127120, 3439832, 4299790, 6254240, 6879664, 8599580, 13759328, 17199160, 34398320, 68796640]

約数ペア:

[(1, 68796640), (2, 34398320), (4, 17199160), (5, 13759328), (8, 8599580), (10, 6879664), (11, 6254240), (16, 4299790), (20, 3439832), (22, 3127120), (32, 2149895), (40, 1719916), (44, 1563560), (55, 1250848), (80, 859958), (88, 781780), (110, 625424), (160, 429979), (176, 390890), (220, 312712), (352, 195445), (440, 156356), (880, 78178), (1760, 39089)]