81321442560

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{2353051}}^1$

素因数の和:2353081

約数の個数: 144

約数和(自身を含む): 288578297280

約数和(自身を除く): 207256854720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1728, 1920, 2160, 2304, 2880, 3456, 3840, 4320, 5760, 6912, 8640, 11520, 17280, 34560, 2353051, 4706102, 7059153, 9412204, 11765255, 14118306, 18824408, 21177459, 23530510, 28236612, 35295765, 37648816, 42354918, 47061020, 56473224, 63532377, 70591530, 75297632, 84709836, 94122040, 105887295, 112946448, 127064754, 141183060, 150595264, 169419672, 188244080, 211774590, 225892896, 254129508, 282366120, 301190528, 317661885, 338839344, 376488160, 423549180, 451785792, 508259016, 564732240, 602381056, 635323770, 677678688, 752976320, 847098360, 903571584, 1016518032, 1129464480, 1270647540, 1355357376, 1505952640, 1694196720, 1807143168, 2033036064, 2258928960, 2541295080, 2710714752, 3011905280, 3388393440, 4066072128, 4517857920, 5082590160, 5421429504, 6776786880, 8132144256, 9035715840, 10165180320, 13553573760, 16264288512, 20330360640, 27107147520, 40660721280, 81321442560]

約数ペア:

[(1, 81321442560), (2, 40660721280), (3, 27107147520), (4, 20330360640), (5, 16264288512), (6, 13553573760), (8, 10165180320), (9, 9035715840), (10, 8132144256), (12, 6776786880), (15, 5421429504), (16, 5082590160), (18, 4517857920), (20, 4066072128), (24, 3388393440), (27, 3011905280), (30, 2710714752), (32, 2541295080), (36, 2258928960), (40, 2033036064), (45, 1807143168), (48, 1694196720), (54, 1505952640), (60, 1355357376), (64, 1270647540), (72, 1129464480), (80, 1016518032), (90, 903571584), (96, 847098360), (108, 752976320), (120, 677678688), (128, 635323770), (135, 602381056), (144, 564732240), (160, 508259016), (180, 451785792), (192, 423549180), (216, 376488160), (240, 338839344), (256, 317661885), (270, 301190528), (288, 282366120), (320, 254129508), (360, 225892896), (384, 211774590), (432, 188244080), (480, 169419672), (540, 150595264), (576, 141183060), (640, 127064754), (720, 112946448), (768, 105887295), (864, 94122040), (960, 84709836), (1080, 75297632), (1152, 70591530), (1280, 63532377), (1440, 56473224), (1728, 47061020), (1920, 42354918), (2160, 37648816), (2304, 35295765), (2880, 28236612), (3456, 23530510), (3840, 21177459), (4320, 18824408), (5760, 14118306), (6912, 11765255), (8640, 9412204), (11520, 7059153), (17280, 4706102), (34560, 2353051)]