397981440

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{193}}^1$

素因数の和:399

約数の個数: 216

約数和(自身を含む): 1391841360

約数和(自身を除く): 993859920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 179, 180, 192, 193, 240, 256, 288, 320, 358, 360, 384, 386, 480, 537, 576, 579, 640, 716, 720, 768, 772, 895, 960, 965, 1074, 1152, 1158, 1280, 1432, 1440, 1544, 1611, 1737, 1790, 1920, 1930, 2148, 2304, 2316, 2685, 2864, 2880, 2895, 3088, 3222, 3474, 3580, 3840, 3860, 4296, 4632, 5370, 5728, 5760, 5790, 6176, 6444, 6948, 7160, 7720, 8055, 8592, 8685, 9264, 10740, 11456, 11520, 11580, 12352, 12888, 13896, 14320, 15440, 16110, 17184, 17370, 18528, 21480, 22912, 23160, 24704, 25776, 27792, 28640, 30880, 32220, 34368, 34547, 34740, 37056, 42960, 45824, 46320, 49408, 51552, 55584, 57280, 61760, 64440, 68736, 69094, 69480, 74112, 85920, 92640, 103104, 103641, 111168, 114560, 123520, 128880, 137472, 138188, 138960, 148224, 171840, 172735, 185280, 206208, 207282, 222336, 229120, 247040, 257760, 276376, 277920, 310923, 343680, 345470, 370560, 412416, 414564, 444672, 515520, 518205, 552752, 555840, 621846, 687360, 690940, 741120, 829128, 1031040, 1036410, 1105504, 1111680, 1243692, 1381880, 1554615, 1658256, 2062080, 2072820, 2211008, 2223360, 2487384, 2763760, 3109230, 3316512, 4145640, 4422016, 4974768, 5527520, 6218460, 6633024, 8291280, 8844032, 9949536, 11055040, 12436920, 13266048, 16582560, 19899072, 22110080, 24873840, 26532096, 33165120, 39798144, 44220160, 49747680, 66330240, 79596288, 99495360, 132660480, 198990720, 397981440]

約数ペア:

[(1, 397981440), (2, 198990720), (3, 132660480), (4, 99495360), (5, 79596288), (6, 66330240), (8, 49747680), (9, 44220160), (10, 39798144), (12, 33165120), (15, 26532096), (16, 24873840), (18, 22110080), (20, 19899072), (24, 16582560), (30, 13266048), (32, 12436920), (36, 11055040), (40, 9949536), (45, 8844032), (48, 8291280), (60, 6633024), (64, 6218460), (72, 5527520), (80, 4974768), (90, 4422016), (96, 4145640), (120, 3316512), (128, 3109230), (144, 2763760), (160, 2487384), (179, 2223360), (180, 2211008), (192, 2072820), (193, 2062080), (240, 1658256), (256, 1554615), (288, 1381880), (320, 1243692), (358, 1111680), (360, 1105504), (384, 1036410), (386, 1031040), (480, 829128), (537, 741120), (576, 690940), (579, 687360), (640, 621846), (716, 555840), (720, 552752), (768, 518205), (772, 515520), (895, 444672), (960, 414564), (965, 412416), (1074, 370560), (1152, 345470), (1158, 343680), (1280, 310923), (1432, 277920), (1440, 276376), (1544, 257760), (1611, 247040), (1737, 229120), (1790, 222336), (1920, 207282), (1930, 206208), (2148, 185280), (2304, 172735), (2316, 171840), (2685, 148224), (2864, 138960), (2880, 138188), (2895, 137472), (3088, 128880), (3222, 123520), (3474, 114560), (3580, 111168), (3840, 103641), (3860, 103104), (4296, 92640), (4632, 85920), (5370, 74112), (5728, 69480), (5760, 69094), (5790, 68736), (6176, 64440), (6444, 61760), (6948, 57280), (7160, 55584), (7720, 51552), (8055, 49408), (8592, 46320), (8685, 45824), (9264, 42960), (10740, 37056), (11456, 34740), (11520, 34547), (11580, 34368), (12352, 32220), (12888, 30880), (13896, 28640), (14320, 27792), (15440, 25776), (16110, 24704), (17184, 23160), (17370, 22912), (18528, 21480)]