268522815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{409}}^1$

素因数の和:624

約数の個数: 64

約数和(自身を含む): 493102080

約数和(自身を除く): 224579265

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 173, 253, 345, 409, 519, 759, 865, 1227, 1265, 1903, 2045, 2595, 3795, 3979, 4499, 5709, 6135, 9407, 9515, 11937, 13497, 19895, 22495, 28221, 28545, 43769, 47035, 59685, 67485, 70757, 103477, 131307, 141105, 212271, 218845, 310431, 353785, 517385, 656535, 778327, 1061355, 1552155, 1627411, 2334981, 3891635, 4882233, 8137055, 11674905, 17901521, 24411165, 53704563, 89507605, 268522815]

約数ペア:

[(1, 268522815), (3, 89507605), (5, 53704563), (11, 24411165), (15, 17901521), (23, 11674905), (33, 8137055), (55, 4882233), (69, 3891635), (115, 2334981), (165, 1627411), (173, 1552155), (253, 1061355), (345, 778327), (409, 656535), (519, 517385), (759, 353785), (865, 310431), (1227, 218845), (1265, 212271), (1903, 141105), (2045, 131307), (2595, 103477), (3795, 70757), (3979, 67485), (4499, 59685), (5709, 47035), (6135, 43769), (9407, 28545), (9515, 28221), (11937, 22495), (13497, 19895)]