261760608

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{919}}^1$

素因数の和:1001

約数の個数: 144

約数和(自身を含む): 795674880

約数和(自身を除く): 533914272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 43, 46, 48, 69, 72, 86, 92, 96, 129, 138, 144, 172, 184, 207, 258, 276, 288, 344, 368, 387, 414, 516, 552, 688, 736, 774, 828, 919, 989, 1032, 1104, 1376, 1548, 1656, 1838, 1978, 2064, 2208, 2757, 2967, 3096, 3312, 3676, 3956, 4128, 5514, 5934, 6192, 6624, 7352, 7912, 8271, 8901, 11028, 11868, 12384, 14704, 15824, 16542, 17802, 21137, 22056, 23736, 29408, 31648, 33084, 35604, 39517, 42274, 44112, 47472, 63411, 66168, 71208, 79034, 84548, 88224, 94944, 118551, 126822, 132336, 142416, 158068, 169096, 190233, 237102, 253644, 264672, 284832, 316136, 338192, 355653, 380466, 474204, 507288, 632272, 676384, 711306, 760932, 908891, 948408, 1014576, 1264544, 1422612, 1521864, 1817782, 1896816, 2029152, 2726673, 2845224, 3043728, 3635564, 3793632, 5453346, 5690448, 6087456, 7271128, 8180019, 10906692, 11380896, 14542256, 16360038, 21813384, 29084512, 32720076, 43626768, 65440152, 87253536, 130880304, 261760608]

約数ペア:

[(1, 261760608), (2, 130880304), (3, 87253536), (4, 65440152), (6, 43626768), (8, 32720076), (9, 29084512), (12, 21813384), (16, 16360038), (18, 14542256), (23, 11380896), (24, 10906692), (32, 8180019), (36, 7271128), (43, 6087456), (46, 5690448), (48, 5453346), (69, 3793632), (72, 3635564), (86, 3043728), (92, 2845224), (96, 2726673), (129, 2029152), (138, 1896816), (144, 1817782), (172, 1521864), (184, 1422612), (207, 1264544), (258, 1014576), (276, 948408), (288, 908891), (344, 760932), (368, 711306), (387, 676384), (414, 632272), (516, 507288), (552, 474204), (688, 380466), (736, 355653), (774, 338192), (828, 316136), (919, 284832), (989, 264672), (1032, 253644), (1104, 237102), (1376, 190233), (1548, 169096), (1656, 158068), (1838, 142416), (1978, 132336), (2064, 126822), (2208, 118551), (2757, 94944), (2967, 88224), (3096, 84548), (3312, 79034), (3676, 71208), (3956, 66168), (4128, 63411), (5514, 47472), (5934, 44112), (6192, 42274), (6624, 39517), (7352, 35604), (7912, 33084), (8271, 31648), (8901, 29408), (11028, 23736), (11868, 22056), (12384, 21137), (14704, 17802), (15824, 16542)]