280005120

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{4051}}^1$

素因数の和:4083

約数の個数: 160

約数和(自身を含む): 994847040

約数和(自身を除く): 714841920

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, 512, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 2160, 2304, 2560, 2880, 3456, 3840, 4051, 4320, 4608, 5760, 6912, 7680, 8102, 8640, 11520, 12153, 13824, 16204, 17280, 20255, 23040, 24306, 32408, 34560, 36459, 40510, 48612, 60765, 64816, 69120, 72918, 81020, 97224, 109377, 121530, 129632, 145836, 162040, 182295, 194448, 218754, 243060, 259264, 291672, 324080, 364590, 388896, 437508, 486120, 518528, 546885, 583344, 648160, 729180, 777792, 875016, 972240, 1037056, 1093770, 1166688, 1296320, 1458360, 1555584, 1750032, 1944480, 2074112, 2187540, 2333376, 2592640, 2916720, 3111168, 3500064, 3888960, 4375080, 4666752, 5185280, 5833440, 6222336, 7000128, 7777920, 8750160, 9333504, 10370560, 11666880, 14000256, 15555840, 17500320, 18667008, 23333760, 28000512, 31111680, 35000640, 46667520, 56001024, 70001280, 93335040, 140002560, 280005120]

約数ペア:

[(1, 280005120), (2, 140002560), (3, 93335040), (4, 70001280), (5, 56001024), (6, 46667520), (8, 35000640), (9, 31111680), (10, 28000512), (12, 23333760), (15, 18667008), (16, 17500320), (18, 15555840), (20, 14000256), (24, 11666880), (27, 10370560), (30, 9333504), (32, 8750160), (36, 7777920), (40, 7000128), (45, 6222336), (48, 5833440), (54, 5185280), (60, 4666752), (64, 4375080), (72, 3888960), (80, 3500064), (90, 3111168), (96, 2916720), (108, 2592640), (120, 2333376), (128, 2187540), (135, 2074112), (144, 1944480), (160, 1750032), (180, 1555584), (192, 1458360), (216, 1296320), (240, 1166688), (256, 1093770), (270, 1037056), (288, 972240), (320, 875016), (360, 777792), (384, 729180), (432, 648160), (480, 583344), (512, 546885), (540, 518528), (576, 486120), (640, 437508), (720, 388896), (768, 364590), (864, 324080), (960, 291672), (1080, 259264), (1152, 243060), (1280, 218754), (1440, 194448), (1536, 182295), (1728, 162040), (1920, 145836), (2160, 129632), (2304, 121530), (2560, 109377), (2880, 97224), (3456, 81020), (3840, 72918), (4051, 69120), (4320, 64816), (4608, 60765), (5760, 48612), (6912, 40510), (7680, 36459), (8102, 34560), (8640, 32408), (11520, 24306), (12153, 23040), (13824, 20255), (16204, 17280)]