289553640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{281}}^1$

素因数の和:603

約数の個数: 128

約数和(自身を含む): 903121920

約数和(自身を除く): 613568280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 277, 281, 310, 372, 465, 554, 562, 620, 744, 831, 843, 930, 1108, 1124, 1240, 1385, 1405, 1662, 1686, 1860, 2216, 2248, 2770, 2810, 3324, 3372, 3720, 4155, 4215, 5540, 5620, 6648, 6744, 8310, 8430, 8587, 8711, 11080, 11240, 16620, 16860, 17174, 17422, 25761, 26133, 33240, 33720, 34348, 34844, 42935, 43555, 51522, 52266, 68696, 69688, 77837, 85870, 87110, 103044, 104532, 128805, 130665, 155674, 171740, 174220, 206088, 209064, 233511, 257610, 261330, 311348, 343480, 348440, 389185, 467022, 515220, 522660, 622696, 778370, 934044, 1030440, 1045320, 1167555, 1556740, 1868088, 2335110, 2412947, 3113480, 4670220, 4825894, 7238841, 9340440, 9651788, 12064735, 14477682, 19303576, 24129470, 28955364, 36194205, 48258940, 57910728, 72388410, 96517880, 144776820, 289553640]

約数ペア:

[(1, 289553640), (2, 144776820), (3, 96517880), (4, 72388410), (5, 57910728), (6, 48258940), (8, 36194205), (10, 28955364), (12, 24129470), (15, 19303576), (20, 14477682), (24, 12064735), (30, 9651788), (31, 9340440), (40, 7238841), (60, 4825894), (62, 4670220), (93, 3113480), (120, 2412947), (124, 2335110), (155, 1868088), (186, 1556740), (248, 1167555), (277, 1045320), (281, 1030440), (310, 934044), (372, 778370), (465, 622696), (554, 522660), (562, 515220), (620, 467022), (744, 389185), (831, 348440), (843, 343480), (930, 311348), (1108, 261330), (1124, 257610), (1240, 233511), (1385, 209064), (1405, 206088), (1662, 174220), (1686, 171740), (1860, 155674), (2216, 130665), (2248, 128805), (2770, 104532), (2810, 103044), (3324, 87110), (3372, 85870), (3720, 77837), (4155, 69688), (4215, 68696), (5540, 52266), (5620, 51522), (6648, 43555), (6744, 42935), (8310, 34844), (8430, 34348), (8587, 33720), (8711, 33240), (11080, 26133), (11240, 25761), (16620, 17422), (16860, 17174)]