1580452720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{256567}}^1$

素因数の和:256598

約数の個数: 80

約数和(自身を含む): 4581278208

約数和(自身を除く): 3000825488

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 256567, 513134, 1026268, 1282835, 1795969, 2052536, 2565670, 2822237, 3591938, 4105072, 5131340, 5644474, 7183876, 8979845, 10262680, 11288948, 14111185, 14367752, 17959690, 19755659, 20525360, 22577896, 28222370, 28735504, 35919380, 39511318, 45155792, 56444740, 71838760, 79022636, 98778295, 112889480, 143677520, 158045272, 197556590, 225778960, 316090544, 395113180, 790226360, 1580452720]

約数ペア:

[(1, 1580452720), (2, 790226360), (4, 395113180), (5, 316090544), (7, 225778960), (8, 197556590), (10, 158045272), (11, 143677520), (14, 112889480), (16, 98778295), (20, 79022636), (22, 71838760), (28, 56444740), (35, 45155792), (40, 39511318), (44, 35919380), (55, 28735504), (56, 28222370), (70, 22577896), (77, 20525360), (80, 19755659), (88, 17959690), (110, 14367752), (112, 14111185), (140, 11288948), (154, 10262680), (176, 8979845), (220, 7183876), (280, 5644474), (308, 5131340), (385, 4105072), (440, 3591938), (560, 2822237), (616, 2565670), (770, 2052536), (880, 1795969), (1232, 1282835), (1540, 1026268), (3080, 513134), (6160, 256567)]