2561948640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{1779131}}^1$

素因数の和:1779152

約数の個数: 72

約数和(自身を含む): 8742654648

約数和(自身を除く): 6180706008

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 1779131, 3558262, 5337393, 7116524, 8895655, 10674786, 14233048, 16012179, 17791310, 21349572, 26686965, 28466096, 32024358, 35582620, 42699144, 53373930, 56932192, 64048716, 71165240, 80060895, 85398288, 106747860, 128097432, 142330480, 160121790, 170796576, 213495720, 256194864, 284660960, 320243580, 426991440, 512389728, 640487160, 853982880, 1280974320, 2561948640]

約数ペア:

[(1, 2561948640), (2, 1280974320), (3, 853982880), (4, 640487160), (5, 512389728), (6, 426991440), (8, 320243580), (9, 284660960), (10, 256194864), (12, 213495720), (15, 170796576), (16, 160121790), (18, 142330480), (20, 128097432), (24, 106747860), (30, 85398288), (32, 80060895), (36, 71165240), (40, 64048716), (45, 56932192), (48, 53373930), (60, 42699144), (72, 35582620), (80, 32024358), (90, 28466096), (96, 26686965), (120, 21349572), (144, 17791310), (160, 16012179), (180, 14233048), (240, 10674786), (288, 8895655), (360, 7116524), (480, 5337393), (720, 3558262), (1440, 1779131)]