81328320

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{9413}}^1$

素因数の和:9439

約数の個数: 112

約数和(自身を含む): 286938720

約数和(自身を除く): 205610400

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, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2880, 4320, 8640, 9413, 18826, 28239, 37652, 47065, 56478, 75304, 84717, 94130, 112956, 141195, 150608, 169434, 188260, 225912, 254151, 282390, 301216, 338868, 376520, 423585, 451824, 508302, 564780, 602432, 677736, 753040, 847170, 903648, 1016604, 1129560, 1270755, 1355472, 1506080, 1694340, 1807296, 2033208, 2259120, 2541510, 2710944, 3012160, 3388680, 4066416, 4518240, 5083020, 5421888, 6777360, 8132832, 9036480, 10166040, 13554720, 16265664, 20332080, 27109440, 40664160, 81328320]

約数ペア:

[(1, 81328320), (2, 40664160), (3, 27109440), (4, 20332080), (5, 16265664), (6, 13554720), (8, 10166040), (9, 9036480), (10, 8132832), (12, 6777360), (15, 5421888), (16, 5083020), (18, 4518240), (20, 4066416), (24, 3388680), (27, 3012160), (30, 2710944), (32, 2541510), (36, 2259120), (40, 2033208), (45, 1807296), (48, 1694340), (54, 1506080), (60, 1355472), (64, 1270755), (72, 1129560), (80, 1016604), (90, 903648), (96, 847170), (108, 753040), (120, 677736), (135, 602432), (144, 564780), (160, 508302), (180, 451824), (192, 423585), (216, 376520), (240, 338868), (270, 301216), (288, 282390), (320, 254151), (360, 225912), (432, 188260), (480, 169434), (540, 150608), (576, 141195), (720, 112956), (864, 94130), (960, 84717), (1080, 75304), (1440, 56478), (1728, 47065), (2160, 37652), (2880, 28239), (4320, 18826), (8640, 9413)]