81923040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{56891}}^1$

素因数の和:56912

約数の個数: 72

約数和(自身を含む): 279567288

約数和(自身を除く): 197644248

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, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 56891, 113782, 170673, 227564, 284455, 341346, 455128, 512019, 568910, 682692, 853365, 910256, 1024038, 1137820, 1365384, 1706730, 1820512, 2048076, 2275640, 2560095, 2730768, 3413460, 4096152, 4551280, 5120190, 5461536, 6826920, 8192304, 9102560, 10240380, 13653840, 16384608, 20480760, 27307680, 40961520, 81923040]

約数ペア:

[(1, 81923040), (2, 40961520), (3, 27307680), (4, 20480760), (5, 16384608), (6, 13653840), (8, 10240380), (9, 9102560), (10, 8192304), (12, 6826920), (15, 5461536), (16, 5120190), (18, 4551280), (20, 4096152), (24, 3413460), (30, 2730768), (32, 2560095), (36, 2275640), (40, 2048076), (45, 1820512), (48, 1706730), (60, 1365384), (72, 1137820), (80, 1024038), (90, 910256), (96, 853365), (120, 682692), (144, 568910), (160, 512019), (180, 455128), (240, 341346), (288, 284455), (360, 227564), (480, 170673), (720, 113782), (1440, 56891)]