81904320

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{28439}}^1$

素因数の和:28462

約数の個数: 84

約数和(自身を含む): 281726640

約数和(自身を除く): 199822320

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, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 28439, 56878, 85317, 113756, 142195, 170634, 227512, 255951, 284390, 341268, 426585, 455024, 511902, 568780, 682536, 853170, 910048, 1023804, 1137560, 1279755, 1365072, 1706340, 1820096, 2047608, 2275120, 2559510, 2730144, 3412680, 4095216, 4550240, 5119020, 5460288, 6825360, 8190432, 9100480, 10238040, 13650720, 16380864, 20476080, 27301440, 40952160, 81904320]

約数ペア:

[(1, 81904320), (2, 40952160), (3, 27301440), (4, 20476080), (5, 16380864), (6, 13650720), (8, 10238040), (9, 9100480), (10, 8190432), (12, 6825360), (15, 5460288), (16, 5119020), (18, 4550240), (20, 4095216), (24, 3412680), (30, 2730144), (32, 2559510), (36, 2275120), (40, 2047608), (45, 1820096), (48, 1706340), (60, 1365072), (64, 1279755), (72, 1137560), (80, 1023804), (90, 910048), (96, 853170), (120, 682536), (144, 568780), (160, 511902), (180, 455024), (192, 426585), (240, 341268), (288, 284390), (320, 255951), (360, 227512), (480, 170634), (576, 142195), (720, 113756), (960, 85317), (1440, 56878), (2880, 28439)]