51690240

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{641}}^1$

素因数の和:675

約数の個数: 216

約数和(自身を含む): 204710688

約数和(自身を除く): 153020448

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 641, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1282, 1344, 1440, 1680, 1792, 1920, 1923, 2016, 2240, 2304, 2520, 2564, 2688, 2880, 3205, 3360, 3840, 3846, 4032, 4480, 4487, 5040, 5128, 5376, 5760, 5769, 6410, 6720, 7692, 8064, 8960, 8974, 9615, 10080, 10256, 11520, 11538, 12820, 13440, 13461, 15384, 16128, 17948, 19230, 20160, 20512, 22435, 23076, 25640, 26880, 26922, 28845, 30768, 35896, 38460, 40320, 40383, 41024, 44870, 46152, 51280, 53844, 57690, 61536, 67305, 71792, 76920, 80640, 80766, 82048, 89740, 92304, 102560, 107688, 115380, 123072, 134610, 143584, 153840, 161532, 164096, 179480, 184608, 201915, 205120, 215376, 230760, 246144, 269220, 287168, 307680, 323064, 358960, 369216, 403830, 410240, 430752, 461520, 492288, 538440, 574336, 615360, 646128, 717920, 738432, 807660, 820480, 861504, 923040, 1076880, 1148672, 1230720, 1292256, 1435840, 1476864, 1615320, 1723008, 1846080, 2153760, 2461440, 2584512, 2871680, 3230640, 3446016, 3692160, 4307520, 5169024, 5743360, 6461280, 7384320, 8615040, 10338048, 12922560, 17230080, 25845120, 51690240]

約数ペア:

[(1, 51690240), (2, 25845120), (3, 17230080), (4, 12922560), (5, 10338048), (6, 8615040), (7, 7384320), (8, 6461280), (9, 5743360), (10, 5169024), (12, 4307520), (14, 3692160), (15, 3446016), (16, 3230640), (18, 2871680), (20, 2584512), (21, 2461440), (24, 2153760), (28, 1846080), (30, 1723008), (32, 1615320), (35, 1476864), (36, 1435840), (40, 1292256), (42, 1230720), (45, 1148672), (48, 1076880), (56, 923040), (60, 861504), (63, 820480), (64, 807660), (70, 738432), (72, 717920), (80, 646128), (84, 615360), (90, 574336), (96, 538440), (105, 492288), (112, 461520), (120, 430752), (126, 410240), (128, 403830), (140, 369216), (144, 358960), (160, 323064), (168, 307680), (180, 287168), (192, 269220), (210, 246144), (224, 230760), (240, 215376), (252, 205120), (256, 201915), (280, 184608), (288, 179480), (315, 164096), (320, 161532), (336, 153840), (360, 143584), (384, 134610), (420, 123072), (448, 115380), (480, 107688), (504, 102560), (560, 92304), (576, 89740), (630, 82048), (640, 80766), (641, 80640), (672, 76920), (720, 71792), (768, 67305), (840, 61536), (896, 57690), (960, 53844), (1008, 51280), (1120, 46152), (1152, 44870), (1260, 41024), (1280, 40383), (1282, 40320), (1344, 38460), (1440, 35896), (1680, 30768), (1792, 28845), (1920, 26922), (1923, 26880), (2016, 25640), (2240, 23076), (2304, 22435), (2520, 20512), (2564, 20160), (2688, 19230), (2880, 17948), (3205, 16128), (3360, 15384), (3840, 13461), (3846, 13440), (4032, 12820), (4480, 11538), (4487, 11520), (5040, 10256), (5128, 10080), (5376, 9615), (5760, 8974), (5769, 8960), (6410, 8064), (6720, 7692)]