172815280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4567}}^1$

素因数の和:4634

約数の個数: 80

約数和(自身を含む): 448614144

約数和(自身を除く): 275798864

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 688, 860, 880, 946, 1720, 1892, 2365, 3440, 3784, 4567, 4730, 7568, 9134, 9460, 18268, 18920, 22835, 36536, 37840, 45670, 50237, 73072, 91340, 100474, 182680, 196381, 200948, 251185, 365360, 392762, 401896, 502370, 785524, 803792, 981905, 1004740, 1571048, 1963810, 2009480, 2160191, 3142096, 3927620, 4018960, 4320382, 7855240, 8640764, 10800955, 15710480, 17281528, 21601910, 34563056, 43203820, 86407640, 172815280]

約数ペア:

[(1, 172815280), (2, 86407640), (4, 43203820), (5, 34563056), (8, 21601910), (10, 17281528), (11, 15710480), (16, 10800955), (20, 8640764), (22, 7855240), (40, 4320382), (43, 4018960), (44, 3927620), (55, 3142096), (80, 2160191), (86, 2009480), (88, 1963810), (110, 1571048), (172, 1004740), (176, 981905), (215, 803792), (220, 785524), (344, 502370), (430, 401896), (440, 392762), (473, 365360), (688, 251185), (860, 200948), (880, 196381), (946, 182680), (1720, 100474), (1892, 91340), (2365, 73072), (3440, 50237), (3784, 45670), (4567, 37840), (4730, 36536), (7568, 22835), (9134, 18920), (9460, 18268)]