1639742720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:297

約数の個数: 288

約数和(自身を含む): 4973101056

約数和(自身を除く): 3333358336

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 127, 128, 131, 140, 154, 160, 176, 220, 224, 254, 256, 262, 280, 308, 320, 352, 385, 440, 448, 508, 524, 560, 616, 635, 640, 655, 704, 770, 880, 889, 896, 917, 1016, 1048, 1120, 1232, 1270, 1280, 1310, 1397, 1408, 1441, 1540, 1760, 1778, 1792, 1834, 2032, 2096, 2240, 2464, 2540, 2620, 2794, 2816, 2882, 3080, 3520, 3556, 3668, 4064, 4192, 4445, 4480, 4585, 4928, 5080, 5240, 5588, 5764, 6160, 6985, 7040, 7112, 7205, 7336, 8128, 8384, 8890, 8960, 9170, 9779, 9856, 10087, 10160, 10480, 11176, 11528, 12320, 13970, 14080, 14224, 14410, 14672, 16256, 16637, 16768, 17780, 18340, 19558, 19712, 20174, 20320, 20960, 22352, 23056, 24640, 27940, 28448, 28820, 29344, 32512, 33274, 33536, 35560, 36680, 39116, 40348, 40640, 41920, 44704, 46112, 48895, 49280, 50435, 55880, 56896, 57640, 58688, 66548, 71120, 73360, 78232, 80696, 81280, 83185, 83840, 89408, 92224, 97790, 98560, 100870, 111760, 113792, 115280, 116459, 117376, 133096, 142240, 146720, 156464, 161392, 162560, 166370, 167680, 178816, 183007, 184448, 195580, 201740, 223520, 227584, 230560, 232918, 234752, 266192, 284480, 293440, 312928, 322784, 332740, 357632, 366014, 368896, 391160, 403480, 447040, 461120, 465836, 532384, 568960, 582295, 586880, 625856, 645568, 665480, 732028, 782320, 806960, 894080, 915035, 922240, 931672, 1064768, 1137920, 1164590, 1173760, 1251712, 1281049, 1291136, 1330960, 1464056, 1564640, 1613920, 1788160, 1830070, 1844480, 1863344, 2129536, 2329180, 2503424, 2562098, 2582272, 2661920, 2928112, 3129280, 3227840, 3660140, 3726688, 4259072, 4658360, 5124196, 5323840, 5856224, 6258560, 6405245, 6455680, 7320280, 7453376, 9316720, 10248392, 10647680, 11712448, 12517120, 12810490, 12911360, 14640560, 14906752, 18633440, 20496784, 21295360, 23424896, 25620980, 29281120, 29813504, 37266880, 40993568, 46849792, 51241960, 58562240, 74533760, 81987136, 102483920, 117124480, 149067520, 163974272, 204967840, 234248960, 327948544, 409935680, 819871360, 1639742720]

約数ペア:

[(1, 1639742720), (2, 819871360), (4, 409935680), (5, 327948544), (7, 234248960), (8, 204967840), (10, 163974272), (11, 149067520), (14, 117124480), (16, 102483920), (20, 81987136), (22, 74533760), (28, 58562240), (32, 51241960), (35, 46849792), (40, 40993568), (44, 37266880), (55, 29813504), (56, 29281120), (64, 25620980), (70, 23424896), (77, 21295360), (80, 20496784), (88, 18633440), (110, 14906752), (112, 14640560), (127, 12911360), (128, 12810490), (131, 12517120), (140, 11712448), (154, 10647680), (160, 10248392), (176, 9316720), (220, 7453376), (224, 7320280), (254, 6455680), (256, 6405245), (262, 6258560), (280, 5856224), (308, 5323840), (320, 5124196), (352, 4658360), (385, 4259072), (440, 3726688), (448, 3660140), (508, 3227840), (524, 3129280), (560, 2928112), (616, 2661920), (635, 2582272), (640, 2562098), (655, 2503424), (704, 2329180), (770, 2129536), (880, 1863344), (889, 1844480), (896, 1830070), (917, 1788160), (1016, 1613920), (1048, 1564640), (1120, 1464056), (1232, 1330960), (1270, 1291136), (1280, 1281049), (1310, 1251712), (1397, 1173760), (1408, 1164590), (1441, 1137920), (1540, 1064768), (1760, 931672), (1778, 922240), (1792, 915035), (1834, 894080), (2032, 806960), (2096, 782320), (2240, 732028), (2464, 665480), (2540, 645568), (2620, 625856), (2794, 586880), (2816, 582295), (2882, 568960), (3080, 532384), (3520, 465836), (3556, 461120), (3668, 447040), (4064, 403480), (4192, 391160), (4445, 368896), (4480, 366014), (4585, 357632), (4928, 332740), (5080, 322784), (5240, 312928), (5588, 293440), (5764, 284480), (6160, 266192), (6985, 234752), (7040, 232918), (7112, 230560), (7205, 227584), (7336, 223520), (8128, 201740), (8384, 195580), (8890, 184448), (8960, 183007), (9170, 178816), (9779, 167680), (9856, 166370), (10087, 162560), (10160, 161392), (10480, 156464), (11176, 146720), (11528, 142240), (12320, 133096), (13970, 117376), (14080, 116459), (14224, 115280), (14410, 113792), (14672, 111760), (16256, 100870), (16637, 98560), (16768, 97790), (17780, 92224), (18340, 89408), (19558, 83840), (19712, 83185), (20174, 81280), (20320, 80696), (20960, 78232), (22352, 73360), (23056, 71120), (24640, 66548), (27940, 58688), (28448, 57640), (28820, 56896), (29344, 55880), (32512, 50435), (33274, 49280), (33536, 48895), (35560, 46112), (36680, 44704), (39116, 41920), (40348, 40640)]