69128440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 159952320

約数和(自身を除く): 90823880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 101, 142, 202, 241, 284, 355, 404, 482, 505, 568, 710, 808, 964, 1010, 1205, 1420, 1928, 2020, 2410, 2840, 4040, 4820, 7171, 9640, 14342, 17111, 24341, 28684, 34222, 35855, 48682, 57368, 68444, 71710, 85555, 97364, 121705, 136888, 143420, 171110, 194728, 243410, 286840, 342220, 486820, 684440, 973640, 1728211, 3456422, 6912844, 8641055, 13825688, 17282110, 34564220, 69128440]

約数ペア:

[(1, 69128440), (2, 34564220), (4, 17282110), (5, 13825688), (8, 8641055), (10, 6912844), (20, 3456422), (40, 1728211), (71, 973640), (101, 684440), (142, 486820), (202, 342220), (241, 286840), (284, 243410), (355, 194728), (404, 171110), (482, 143420), (505, 136888), (568, 121705), (710, 97364), (808, 85555), (964, 71710), (1010, 68444), (1205, 57368), (1420, 48682), (1928, 35855), (2020, 34222), (2410, 28684), (2840, 24341), (4040, 17111), (4820, 14342), (7171, 9640)]