261758520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:359

約数の個数: 256

約数和(自身を含む): 944784000

約数和(自身を除く): 683025480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 53, 54, 60, 68, 72, 85, 90, 102, 106, 108, 120, 135, 136, 153, 159, 170, 180, 204, 212, 216, 255, 265, 269, 270, 306, 318, 340, 360, 408, 424, 459, 477, 510, 530, 538, 540, 612, 636, 680, 765, 795, 807, 901, 918, 954, 1020, 1060, 1076, 1080, 1224, 1272, 1345, 1431, 1530, 1590, 1614, 1802, 1836, 1908, 2040, 2120, 2152, 2295, 2385, 2421, 2690, 2703, 2862, 3060, 3180, 3228, 3604, 3672, 3816, 4035, 4505, 4573, 4590, 4770, 4842, 5380, 5406, 5724, 6120, 6360, 6456, 7155, 7208, 7263, 8070, 8109, 9010, 9146, 9180, 9540, 9684, 10760, 10812, 11448, 12105, 13515, 13719, 14257, 14310, 14526, 16140, 16218, 18020, 18292, 18360, 19080, 19368, 21624, 22865, 24210, 24327, 27030, 27438, 28514, 28620, 29052, 32280, 32436, 36040, 36315, 36584, 40545, 41157, 42771, 45730, 48420, 48654, 54060, 54876, 57028, 57240, 58104, 64872, 68595, 71285, 72630, 81090, 82314, 85542, 91460, 96840, 97308, 108120, 109752, 114056, 121635, 123471, 128313, 137190, 142570, 145260, 162180, 164628, 171084, 182920, 194616, 205785, 213855, 242369, 243270, 246942, 256626, 274380, 285140, 290520, 324360, 329256, 342168, 384939, 411570, 427710, 484738, 486540, 493884, 513252, 548760, 570280, 617355, 641565, 727107, 769878, 823140, 855420, 969476, 973080, 987768, 1026504, 1211845, 1234710, 1283130, 1454214, 1539756, 1646280, 1710840, 1924695, 1938952, 2181321, 2423690, 2469420, 2566260, 2908428, 3079512, 3635535, 3849390, 4362642, 4847380, 4938840, 5132520, 5816856, 6543963, 7271070, 7698780, 8725284, 9694760, 10906605, 13087926, 14542140, 15397560, 17450568, 21813210, 26175852, 29084280, 32719815, 43626420, 52351704, 65439630, 87252840, 130879260, 261758520]

約数ペア:

[(1, 261758520), (2, 130879260), (3, 87252840), (4, 65439630), (5, 52351704), (6, 43626420), (8, 32719815), (9, 29084280), (10, 26175852), (12, 21813210), (15, 17450568), (17, 15397560), (18, 14542140), (20, 13087926), (24, 10906605), (27, 9694760), (30, 8725284), (34, 7698780), (36, 7271070), (40, 6543963), (45, 5816856), (51, 5132520), (53, 4938840), (54, 4847380), (60, 4362642), (68, 3849390), (72, 3635535), (85, 3079512), (90, 2908428), (102, 2566260), (106, 2469420), (108, 2423690), (120, 2181321), (135, 1938952), (136, 1924695), (153, 1710840), (159, 1646280), (170, 1539756), (180, 1454214), (204, 1283130), (212, 1234710), (216, 1211845), (255, 1026504), (265, 987768), (269, 973080), (270, 969476), (306, 855420), (318, 823140), (340, 769878), (360, 727107), (408, 641565), (424, 617355), (459, 570280), (477, 548760), (510, 513252), (530, 493884), (538, 486540), (540, 484738), (612, 427710), (636, 411570), (680, 384939), (765, 342168), (795, 329256), (807, 324360), (901, 290520), (918, 285140), (954, 274380), (1020, 256626), (1060, 246942), (1076, 243270), (1080, 242369), (1224, 213855), (1272, 205785), (1345, 194616), (1431, 182920), (1530, 171084), (1590, 164628), (1614, 162180), (1802, 145260), (1836, 142570), (1908, 137190), (2040, 128313), (2120, 123471), (2152, 121635), (2295, 114056), (2385, 109752), (2421, 108120), (2690, 97308), (2703, 96840), (2862, 91460), (3060, 85542), (3180, 82314), (3228, 81090), (3604, 72630), (3672, 71285), (3816, 68595), (4035, 64872), (4505, 58104), (4573, 57240), (4590, 57028), (4770, 54876), (4842, 54060), (5380, 48654), (5406, 48420), (5724, 45730), (6120, 42771), (6360, 41157), (6456, 40545), (7155, 36584), (7208, 36315), (7263, 36040), (8070, 32436), (8109, 32280), (9010, 29052), (9146, 28620), (9180, 28514), (9540, 27438), (9684, 27030), (10760, 24327), (10812, 24210), (11448, 22865), (12105, 21624), (13515, 19368), (13719, 19080), (14257, 18360), (14310, 18292), (14526, 18020), (16140, 16218)]