255077760

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{18979}}^1$

素因数の和:19008

約数の個数: 128

約数和(自身を含む): 929260800

約数和(自身を除く): 674183040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 18979, 37958, 56937, 75916, 94895, 113874, 132853, 151832, 189790, 227748, 265706, 284685, 303664, 379580, 398559, 455496, 531412, 569370, 607328, 664265, 759160, 797118, 910992, 1062824, 1138740, 1214656, 1328530, 1518320, 1594236, 1821984, 1992795, 2125648, 2277480, 2429312, 2657060, 3036640, 3188472, 3643968, 3985590, 4251296, 4554960, 5314120, 6073280, 6376944, 7287936, 7971180, 8502592, 9109920, 10628240, 12146560, 12753888, 15942360, 17005184, 18219840, 21256480, 25507776, 31884720, 36439680, 42512960, 51015552, 63769440, 85025920, 127538880, 255077760]

約数ペア:

[(1, 255077760), (2, 127538880), (3, 85025920), (4, 63769440), (5, 51015552), (6, 42512960), (7, 36439680), (8, 31884720), (10, 25507776), (12, 21256480), (14, 18219840), (15, 17005184), (16, 15942360), (20, 12753888), (21, 12146560), (24, 10628240), (28, 9109920), (30, 8502592), (32, 7971180), (35, 7287936), (40, 6376944), (42, 6073280), (48, 5314120), (56, 4554960), (60, 4251296), (64, 3985590), (70, 3643968), (80, 3188472), (84, 3036640), (96, 2657060), (105, 2429312), (112, 2277480), (120, 2125648), (128, 1992795), (140, 1821984), (160, 1594236), (168, 1518320), (192, 1328530), (210, 1214656), (224, 1138740), (240, 1062824), (280, 910992), (320, 797118), (336, 759160), (384, 664265), (420, 607328), (448, 569370), (480, 531412), (560, 455496), (640, 398559), (672, 379580), (840, 303664), (896, 284685), (960, 265706), (1120, 227748), (1344, 189790), (1680, 151832), (1920, 132853), (2240, 113874), (2688, 94895), (3360, 75916), (4480, 56937), (6720, 37958), (13440, 18979)]