2020101120

素因数分解:

$2^{10}\times 3^4\times 5^1\times {\mathrm{4871}}^1$

素因数の和:4908

約数の個数: 220

約数和(自身を含む): 7240386384

約数和(自身を除く): 5220285264

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, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 512, 540, 576, 640, 648, 720, 768, 810, 864, 960, 1024, 1080, 1152, 1280, 1296, 1440, 1536, 1620, 1728, 1920, 2160, 2304, 2560, 2592, 2880, 3072, 3240, 3456, 3840, 4320, 4608, 4871, 5120, 5184, 5760, 6480, 6912, 7680, 8640, 9216, 9742, 10368, 11520, 12960, 13824, 14613, 15360, 17280, 19484, 20736, 23040, 24355, 25920, 27648, 29226, 34560, 38968, 41472, 43839, 46080, 48710, 51840, 58452, 69120, 73065, 77936, 82944, 87678, 97420, 103680, 116904, 131517, 138240, 146130, 155872, 175356, 194840, 207360, 219195, 233808, 263034, 292260, 311744, 350712, 389680, 394551, 414720, 438390, 467616, 526068, 584520, 623488, 657585, 701424, 779360, 789102, 876780, 935232, 1052136, 1169040, 1246976, 1315170, 1402848, 1558720, 1578204, 1753560, 1870464, 1972755, 2104272, 2338080, 2493952, 2630340, 2805696, 3117440, 3156408, 3507120, 3740928, 3945510, 4208544, 4676160, 4987904, 5260680, 5611392, 6234880, 6312816, 7014240, 7481856, 7891020, 8417088, 9352320, 10521360, 11222784, 12469760, 12625632, 14028480, 14963712, 15782040, 16834176, 18704640, 21042720, 22445568, 24939520, 25251264, 28056960, 31564080, 33668352, 37409280, 42085440, 44891136, 50502528, 56113920, 63128160, 67336704, 74818560, 84170880, 101005056, 112227840, 126256320, 134673408, 168341760, 202010112, 224455680, 252512640, 336683520, 404020224, 505025280, 673367040, 1010050560, 2020101120]

約数ペア:

[(1, 2020101120), (2, 1010050560), (3, 673367040), (4, 505025280), (5, 404020224), (6, 336683520), (8, 252512640), (9, 224455680), (10, 202010112), (12, 168341760), (15, 134673408), (16, 126256320), (18, 112227840), (20, 101005056), (24, 84170880), (27, 74818560), (30, 67336704), (32, 63128160), (36, 56113920), (40, 50502528), (45, 44891136), (48, 42085440), (54, 37409280), (60, 33668352), (64, 31564080), (72, 28056960), (80, 25251264), (81, 24939520), (90, 22445568), (96, 21042720), (108, 18704640), (120, 16834176), (128, 15782040), (135, 14963712), (144, 14028480), (160, 12625632), (162, 12469760), (180, 11222784), (192, 10521360), (216, 9352320), (240, 8417088), (256, 7891020), (270, 7481856), (288, 7014240), (320, 6312816), (324, 6234880), (360, 5611392), (384, 5260680), (405, 4987904), (432, 4676160), (480, 4208544), (512, 3945510), (540, 3740928), (576, 3507120), (640, 3156408), (648, 3117440), (720, 2805696), (768, 2630340), (810, 2493952), (864, 2338080), (960, 2104272), (1024, 1972755), (1080, 1870464), (1152, 1753560), (1280, 1578204), (1296, 1558720), (1440, 1402848), (1536, 1315170), (1620, 1246976), (1728, 1169040), (1920, 1052136), (2160, 935232), (2304, 876780), (2560, 789102), (2592, 779360), (2880, 701424), (3072, 657585), (3240, 623488), (3456, 584520), (3840, 526068), (4320, 467616), (4608, 438390), (4871, 414720), (5120, 394551), (5184, 389680), (5760, 350712), (6480, 311744), (6912, 292260), (7680, 263034), (8640, 233808), (9216, 219195), (9742, 207360), (10368, 194840), (11520, 175356), (12960, 155872), (13824, 146130), (14613, 138240), (15360, 131517), (17280, 116904), (19484, 103680), (20736, 97420), (23040, 87678), (24355, 82944), (25920, 77936), (27648, 73065), (29226, 69120), (34560, 58452), (38968, 51840), (41472, 48710), (43839, 46080)]