258481440

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{25643}}^1$

素因数の和:25671

約数の個数: 144

約数和(自身を含む): 1008116928

約数和(自身を除く): 749635488

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, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 25643, 51286, 76929, 102572, 128215, 153858, 179501, 205144, 230787, 256430, 307716, 359002, 384645, 410288, 461574, 512860, 538503, 615432, 718004, 769290, 820576, 897505, 923148, 1025720, 1077006, 1153935, 1230864, 1436008, 1538580, 1615509, 1795010, 1846296, 2051440, 2154012, 2307870, 2461728, 2692515, 2872016, 3077160, 3231018, 3590020, 3692592, 4102880, 4308024, 4615740, 5385030, 5744032, 6154320, 6462036, 7180040, 7385184, 8077545, 8616048, 9231480, 10770060, 12308640, 12924072, 14360080, 16155090, 17232096, 18462960, 21540120, 25848144, 28720160, 32310180, 36925920, 43080240, 51696288, 64620360, 86160480, 129240720, 258481440]

約数ペア:

[(1, 258481440), (2, 129240720), (3, 86160480), (4, 64620360), (5, 51696288), (6, 43080240), (7, 36925920), (8, 32310180), (9, 28720160), (10, 25848144), (12, 21540120), (14, 18462960), (15, 17232096), (16, 16155090), (18, 14360080), (20, 12924072), (21, 12308640), (24, 10770060), (28, 9231480), (30, 8616048), (32, 8077545), (35, 7385184), (36, 7180040), (40, 6462036), (42, 6154320), (45, 5744032), (48, 5385030), (56, 4615740), (60, 4308024), (63, 4102880), (70, 3692592), (72, 3590020), (80, 3231018), (84, 3077160), (90, 2872016), (96, 2692515), (105, 2461728), (112, 2307870), (120, 2154012), (126, 2051440), (140, 1846296), (144, 1795010), (160, 1615509), (168, 1538580), (180, 1436008), (210, 1230864), (224, 1153935), (240, 1077006), (252, 1025720), (280, 923148), (288, 897505), (315, 820576), (336, 769290), (360, 718004), (420, 615432), (480, 538503), (504, 512860), (560, 461574), (630, 410288), (672, 384645), (720, 359002), (840, 307716), (1008, 256430), (1120, 230787), (1260, 205144), (1440, 179501), (1680, 153858), (2016, 128215), (2520, 102572), (3360, 76929), (5040, 51286), (10080, 25643)]