1105280

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 2900880

約数和(自身を除く): 1795600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 157, 160, 176, 220, 314, 320, 352, 440, 628, 640, 704, 785, 880, 1256, 1408, 1570, 1727, 1760, 2512, 3140, 3454, 3520, 5024, 6280, 6908, 7040, 8635, 10048, 12560, 13816, 17270, 20096, 25120, 27632, 34540, 50240, 55264, 69080, 100480, 110528, 138160, 221056, 276320, 552640, 1105280]

約数ペア:

[(1, 1105280), (2, 552640), (4, 276320), (5, 221056), (8, 138160), (10, 110528), (11, 100480), (16, 69080), (20, 55264), (22, 50240), (32, 34540), (40, 27632), (44, 25120), (55, 20096), (64, 17270), (80, 13816), (88, 12560), (110, 10048), (128, 8635), (157, 7040), (160, 6908), (176, 6280), (220, 5024), (314, 3520), (320, 3454), (352, 3140), (440, 2512), (628, 1760), (640, 1727), (704, 1570), (785, 1408), (880, 1256)]