1988595840

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13451}}^1$

素因数の和:13491

約数の個数: 256

約数和(自身を含む): 7903319040

約数和(自身を除く): 5914723200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 64, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 128, 132, 140, 154, 160, 165, 168, 176, 192, 210, 220, 224, 231, 240, 264, 280, 308, 320, 330, 336, 352, 384, 385, 420, 440, 448, 462, 480, 528, 560, 616, 640, 660, 672, 704, 770, 840, 880, 896, 924, 960, 1056, 1120, 1155, 1232, 1320, 1344, 1408, 1540, 1680, 1760, 1848, 1920, 2112, 2240, 2310, 2464, 2640, 2688, 3080, 3360, 3520, 3696, 4224, 4480, 4620, 4928, 5280, 6160, 6720, 7040, 7392, 9240, 9856, 10560, 12320, 13440, 13451, 14784, 18480, 21120, 24640, 26902, 29568, 36960, 40353, 49280, 53804, 67255, 73920, 80706, 94157, 107608, 134510, 147840, 147961, 161412, 188314, 201765, 215216, 269020, 282471, 295922, 322824, 376628, 403530, 430432, 443883, 470785, 538040, 564942, 591844, 645648, 739805, 753256, 807060, 860864, 887766, 941570, 1035727, 1076080, 1129884, 1183688, 1291296, 1412355, 1479610, 1506512, 1614120, 1721728, 1775532, 1883140, 2071454, 2152160, 2219415, 2259768, 2367376, 2582592, 2824710, 2959220, 3013024, 3107181, 3228240, 3551064, 3766280, 4142908, 4304320, 4438830, 4519536, 4734752, 5165184, 5178635, 5649420, 5918440, 6026048, 6214362, 6456480, 7102128, 7532560, 8285816, 8608640, 8877660, 9039072, 9469504, 10357270, 11298840, 11836880, 12052096, 12428724, 12912960, 14204256, 15065120, 15535905, 16571632, 17755320, 18078144, 18939008, 20714540, 22597680, 23673760, 24857448, 25825920, 28408512, 30130240, 31071810, 33143264, 35510640, 36156288, 41429080, 45195360, 47347520, 49714896, 56817024, 60260480, 62143620, 66286528, 71021280, 82858160, 90390720, 94695040, 99429792, 124287240, 132573056, 142042560, 165716320, 180781440, 198859584, 248574480, 284085120, 331432640, 397719168, 497148960, 662865280, 994297920, 1988595840]

約数ペア:

[(1, 1988595840), (2, 994297920), (3, 662865280), (4, 497148960), (5, 397719168), (6, 331432640), (7, 284085120), (8, 248574480), (10, 198859584), (11, 180781440), (12, 165716320), (14, 142042560), (15, 132573056), (16, 124287240), (20, 99429792), (21, 94695040), (22, 90390720), (24, 82858160), (28, 71021280), (30, 66286528), (32, 62143620), (33, 60260480), (35, 56817024), (40, 49714896), (42, 47347520), (44, 45195360), (48, 41429080), (55, 36156288), (56, 35510640), (60, 33143264), (64, 31071810), (66, 30130240), (70, 28408512), (77, 25825920), (80, 24857448), (84, 23673760), (88, 22597680), (96, 20714540), (105, 18939008), (110, 18078144), (112, 17755320), (120, 16571632), (128, 15535905), (132, 15065120), (140, 14204256), (154, 12912960), (160, 12428724), (165, 12052096), (168, 11836880), (176, 11298840), (192, 10357270), (210, 9469504), (220, 9039072), (224, 8877660), (231, 8608640), (240, 8285816), (264, 7532560), (280, 7102128), (308, 6456480), (320, 6214362), (330, 6026048), (336, 5918440), (352, 5649420), (384, 5178635), (385, 5165184), (420, 4734752), (440, 4519536), (448, 4438830), (462, 4304320), (480, 4142908), (528, 3766280), (560, 3551064), (616, 3228240), (640, 3107181), (660, 3013024), (672, 2959220), (704, 2824710), (770, 2582592), (840, 2367376), (880, 2259768), (896, 2219415), (924, 2152160), (960, 2071454), (1056, 1883140), (1120, 1775532), (1155, 1721728), (1232, 1614120), (1320, 1506512), (1344, 1479610), (1408, 1412355), (1540, 1291296), (1680, 1183688), (1760, 1129884), (1848, 1076080), (1920, 1035727), (2112, 941570), (2240, 887766), (2310, 860864), (2464, 807060), (2640, 753256), (2688, 739805), (3080, 645648), (3360, 591844), (3520, 564942), (3696, 538040), (4224, 470785), (4480, 443883), (4620, 430432), (4928, 403530), (5280, 376628), (6160, 322824), (6720, 295922), (7040, 282471), (7392, 269020), (9240, 215216), (9856, 201765), (10560, 188314), (12320, 161412), (13440, 147961), (13451, 147840), (14784, 134510), (18480, 107608), (21120, 94157), (24640, 80706), (26902, 73920), (29568, 67255), (36960, 53804), (40353, 49280)]