2012081120

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{256643}}^1$

素因数の和:256672

約数の個数: 72

約数和(自身を含む): 5529651624

約数和(自身を除く): 3517570504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 256643, 513286, 1026572, 1283215, 1796501, 2053144, 2566430, 3593002, 4106288, 5132860, 7186004, 8212576, 8982505, 10265720, 12575507, 14372008, 17965010, 20531440, 25151014, 28744016, 35930020, 41062880, 50302028, 57488032, 62877535, 71860040, 100604056, 125755070, 143720080, 201208112, 251510140, 287440160, 402416224, 503020280, 1006040560, 2012081120]

約数ペア:

[(1, 2012081120), (2, 1006040560), (4, 503020280), (5, 402416224), (7, 287440160), (8, 251510140), (10, 201208112), (14, 143720080), (16, 125755070), (20, 100604056), (28, 71860040), (32, 62877535), (35, 57488032), (40, 50302028), (49, 41062880), (56, 35930020), (70, 28744016), (80, 25151014), (98, 20531440), (112, 17965010), (140, 14372008), (160, 12575507), (196, 10265720), (224, 8982505), (245, 8212576), (280, 7186004), (392, 5132860), (490, 4106288), (560, 3593002), (784, 2566430), (980, 2053144), (1120, 1796501), (1568, 1283215), (1960, 1026572), (3920, 513286), (7840, 256643)]