28440789120

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{1645879}}^1$

素因数の和:1645907

約数の個数: 128

約数和(自身を含む): 100727856000

約数和(自身を除く): 72287066880

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, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 5760, 8640, 17280, 1645879, 3291758, 4937637, 6583516, 8229395, 9875274, 13167032, 14812911, 16458790, 19750548, 24688185, 26334064, 29625822, 32917580, 39501096, 44438733, 49376370, 52668128, 59251644, 65835160, 74064555, 79002192, 88877466, 98752740, 105336256, 118503288, 131670320, 148129110, 158004384, 177754932, 197505480, 210672512, 222193665, 237006576, 263340640, 296258220, 316008768, 355509864, 395010960, 444387330, 474013152, 526681280, 592516440, 632017536, 711019728, 790021920, 888774660, 948026304, 1053362560, 1185032880, 1422039456, 1580043840, 1777549320, 1896052608, 2370065760, 2844078912, 3160087680, 3555098640, 4740131520, 5688157824, 7110197280, 9480263040, 14220394560, 28440789120]

約数ペア:

[(1, 28440789120), (2, 14220394560), (3, 9480263040), (4, 7110197280), (5, 5688157824), (6, 4740131520), (8, 3555098640), (9, 3160087680), (10, 2844078912), (12, 2370065760), (15, 1896052608), (16, 1777549320), (18, 1580043840), (20, 1422039456), (24, 1185032880), (27, 1053362560), (30, 948026304), (32, 888774660), (36, 790021920), (40, 711019728), (45, 632017536), (48, 592516440), (54, 526681280), (60, 474013152), (64, 444387330), (72, 395010960), (80, 355509864), (90, 316008768), (96, 296258220), (108, 263340640), (120, 237006576), (128, 222193665), (135, 210672512), (144, 197505480), (160, 177754932), (180, 158004384), (192, 148129110), (216, 131670320), (240, 118503288), (270, 105336256), (288, 98752740), (320, 88877466), (360, 79002192), (384, 74064555), (432, 65835160), (480, 59251644), (540, 52668128), (576, 49376370), (640, 44438733), (720, 39501096), (864, 32917580), (960, 29625822), (1080, 26334064), (1152, 24688185), (1440, 19750548), (1728, 16458790), (1920, 14812911), (2160, 13167032), (2880, 9875274), (3456, 8229395), (4320, 6583516), (5760, 4937637), (8640, 3291758), (17280, 1645879)]