261340920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1129}}^1$

素因数の和:1789

約数の個数: 96

約数和(自身を含む): 851432400

約数和(自身を除く): 590091480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 643, 1129, 1286, 1929, 2258, 2572, 3215, 3387, 3858, 4516, 5144, 5645, 5787, 6430, 6774, 7716, 9032, 9645, 10161, 11290, 11574, 12860, 13548, 15432, 16935, 19290, 20322, 22580, 23148, 25720, 27096, 28935, 33870, 38580, 40644, 45160, 46296, 50805, 57870, 67740, 77160, 81288, 101610, 115740, 135480, 203220, 231480, 406440, 725947, 1451894, 2177841, 2903788, 3629735, 4355682, 5807576, 6533523, 7259470, 8711364, 10889205, 13067046, 14518940, 17422728, 21778410, 26134092, 29037880, 32667615, 43556820, 52268184, 65335230, 87113640, 130670460, 261340920]

約数ペア:

[(1, 261340920), (2, 130670460), (3, 87113640), (4, 65335230), (5, 52268184), (6, 43556820), (8, 32667615), (9, 29037880), (10, 26134092), (12, 21778410), (15, 17422728), (18, 14518940), (20, 13067046), (24, 10889205), (30, 8711364), (36, 7259470), (40, 6533523), (45, 5807576), (60, 4355682), (72, 3629735), (90, 2903788), (120, 2177841), (180, 1451894), (360, 725947), (643, 406440), (1129, 231480), (1286, 203220), (1929, 135480), (2258, 115740), (2572, 101610), (3215, 81288), (3387, 77160), (3858, 67740), (4516, 57870), (5144, 50805), (5645, 46296), (5787, 45160), (6430, 40644), (6774, 38580), (7716, 33870), (9032, 28935), (9645, 27096), (10161, 25720), (11290, 23148), (11574, 22580), (12860, 20322), (13548, 19290), (15432, 16935)]