21785280

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2063}}^1$

素因数の和:2094

約数の個数: 112

約数和(自身を含む): 75492864

約数和(自身を除く): 53707584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 440, 480, 528, 660, 704, 880, 960, 1056, 1320, 1760, 2063, 2112, 2640, 3520, 4126, 5280, 6189, 8252, 10315, 10560, 12378, 16504, 20630, 22693, 24756, 30945, 33008, 41260, 45386, 49512, 61890, 66016, 68079, 82520, 90772, 99024, 113465, 123780, 132032, 136158, 165040, 181544, 198048, 226930, 247560, 272316, 330080, 340395, 363088, 396096, 453860, 495120, 544632, 660160, 680790, 726176, 907720, 990240, 1089264, 1361580, 1452352, 1815440, 1980480, 2178528, 2723160, 3630880, 4357056, 5446320, 7261760, 10892640, 21785280]

約数ペア:

[(1, 21785280), (2, 10892640), (3, 7261760), (4, 5446320), (5, 4357056), (6, 3630880), (8, 2723160), (10, 2178528), (11, 1980480), (12, 1815440), (15, 1452352), (16, 1361580), (20, 1089264), (22, 990240), (24, 907720), (30, 726176), (32, 680790), (33, 660160), (40, 544632), (44, 495120), (48, 453860), (55, 396096), (60, 363088), (64, 340395), (66, 330080), (80, 272316), (88, 247560), (96, 226930), (110, 198048), (120, 181544), (132, 165040), (160, 136158), (165, 132032), (176, 123780), (192, 113465), (220, 99024), (240, 90772), (264, 82520), (320, 68079), (330, 66016), (352, 61890), (440, 49512), (480, 45386), (528, 41260), (660, 33008), (704, 30945), (880, 24756), (960, 22693), (1056, 20630), (1320, 16504), (1760, 12378), (2063, 10560), (2112, 10315), (2640, 8252), (3520, 6189), (4126, 5280)]