1288897280

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{91541}}^1$

素因数の和:91573

約数の個数: 72

約数和(自身を含む): 3368013264

約数和(自身を除く): 2079115984

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 7040, 14080, 91541, 183082, 366164, 457705, 732328, 915410, 1006951, 1464656, 1830820, 2013902, 2929312, 3661640, 4027804, 5034755, 5858624, 7323280, 8055608, 10069510, 11717248, 14646560, 16111216, 20139020, 23434496, 29293120, 32222432, 40278040, 58586240, 64444864, 80556080, 117172480, 128889728, 161112160, 257779456, 322224320, 644448640, 1288897280]

約数ペア:

[(1, 1288897280), (2, 644448640), (4, 322224320), (5, 257779456), (8, 161112160), (10, 128889728), (11, 117172480), (16, 80556080), (20, 64444864), (22, 58586240), (32, 40278040), (40, 32222432), (44, 29293120), (55, 23434496), (64, 20139020), (80, 16111216), (88, 14646560), (110, 11717248), (128, 10069510), (160, 8055608), (176, 7323280), (220, 5858624), (256, 5034755), (320, 4027804), (352, 3661640), (440, 2929312), (640, 2013902), (704, 1830820), (880, 1464656), (1280, 1006951), (1408, 915410), (1760, 732328), (2816, 457705), (3520, 366164), (7040, 183082), (14080, 91541)]