259741440

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{3221}}^1$

素因数の和:3255

約数の個数: 216

約数和(自身を含む): 1027379808

約数和(自身を除く): 767638368

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3221, 3360, 3840, 4032, 4480, 5040, 5376, 5760, 6442, 6720, 8064, 8960, 9663, 10080, 11520, 12884, 13440, 16105, 16128, 19326, 20160, 22547, 25768, 26880, 28989, 32210, 38652, 40320, 45094, 48315, 51536, 57978, 64420, 67641, 77304, 80640, 90188, 96630, 103072, 112735, 115956, 128840, 135282, 144945, 154608, 180376, 193260, 202923, 206144, 225470, 231912, 257680, 270564, 289890, 309216, 338205, 360752, 386520, 405846, 412288, 450940, 463824, 515360, 541128, 579780, 618432, 676410, 721504, 773040, 811692, 824576, 901880, 927648, 1014615, 1030720, 1082256, 1159560, 1236864, 1352820, 1443008, 1546080, 1623384, 1803760, 1855296, 2029230, 2061440, 2164512, 2319120, 2473728, 2705640, 2886016, 3092160, 3246768, 3607520, 3710592, 4058460, 4122880, 4329024, 4638240, 5411280, 5772032, 6184320, 6493536, 7215040, 7421184, 8116920, 8658048, 9276480, 10822560, 12368640, 12987072, 14430080, 16233840, 17316096, 18552960, 21645120, 25974144, 28860160, 32467680, 37105920, 43290240, 51948288, 64935360, 86580480, 129870720, 259741440]

約数ペア:

[(1, 259741440), (2, 129870720), (3, 86580480), (4, 64935360), (5, 51948288), (6, 43290240), (7, 37105920), (8, 32467680), (9, 28860160), (10, 25974144), (12, 21645120), (14, 18552960), (15, 17316096), (16, 16233840), (18, 14430080), (20, 12987072), (21, 12368640), (24, 10822560), (28, 9276480), (30, 8658048), (32, 8116920), (35, 7421184), (36, 7215040), (40, 6493536), (42, 6184320), (45, 5772032), (48, 5411280), (56, 4638240), (60, 4329024), (63, 4122880), (64, 4058460), (70, 3710592), (72, 3607520), (80, 3246768), (84, 3092160), (90, 2886016), (96, 2705640), (105, 2473728), (112, 2319120), (120, 2164512), (126, 2061440), (128, 2029230), (140, 1855296), (144, 1803760), (160, 1623384), (168, 1546080), (180, 1443008), (192, 1352820), (210, 1236864), (224, 1159560), (240, 1082256), (252, 1030720), (256, 1014615), (280, 927648), (288, 901880), (315, 824576), (320, 811692), (336, 773040), (360, 721504), (384, 676410), (420, 618432), (448, 579780), (480, 541128), (504, 515360), (560, 463824), (576, 450940), (630, 412288), (640, 405846), (672, 386520), (720, 360752), (768, 338205), (840, 309216), (896, 289890), (960, 270564), (1008, 257680), (1120, 231912), (1152, 225470), (1260, 206144), (1280, 202923), (1344, 193260), (1440, 180376), (1680, 154608), (1792, 144945), (1920, 135282), (2016, 128840), (2240, 115956), (2304, 112735), (2520, 103072), (2688, 96630), (2880, 90188), (3221, 80640), (3360, 77304), (3840, 67641), (4032, 64420), (4480, 57978), (5040, 51536), (5376, 48315), (5760, 45094), (6442, 40320), (6720, 38652), (8064, 32210), (8960, 28989), (9663, 26880), (10080, 25768), (11520, 22547), (12884, 20160), (13440, 19326), (16105, 16128)]