20437240320

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{126719}}^1$

素因数の和:126755

約数の個数: 240

約数和(自身を含む): 80891965440

約数和(自身を除く): 60454725120

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, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2560, 2688, 2880, 3360, 3584, 3840, 4032, 4480, 4608, 5040, 5376, 5760, 6720, 7680, 8064, 8960, 10080, 10752, 11520, 13440, 16128, 17920, 20160, 23040, 26880, 32256, 40320, 53760, 80640, 126719, 161280, 253438, 380157, 506876, 633595, 760314, 887033, 1013752, 1140471, 1267190, 1520628, 1774066, 1900785, 2027504, 2280942, 2534380, 2661099, 3041256, 3548132, 3801570, 4055008, 4435165, 4561884, 5068760, 5322198, 5702355, 6082512, 7096264, 7603140, 7983297, 8110016, 8870330, 9123768, 10137520, 10644396, 11404710, 12165024, 13305495, 14192528, 15206280, 15966594, 16220032, 17740660, 18247536, 20275040, 21288792, 22809420, 24330048, 26610990, 28385056, 30412560, 31933188, 32440064, 35481320, 36495072, 39916485, 40550080, 42577584, 45618840, 48660096, 53221980, 56770112, 60825120, 63866376, 64880128, 70962640, 72990144, 79832970, 81100160, 85155168, 91237680, 97320192, 106443960, 113540224, 121650240, 127732752, 141925280, 145980288, 159665940, 162200320, 170310336, 182475360, 194640384, 212887920, 227080448, 243300480, 255465504, 283850560, 291960576, 319331880, 324400640, 340620672, 364950720, 425775840, 454160896, 486600960, 510931008, 567701120, 583921152, 638663760, 681241344, 729901440, 851551680, 973201920, 1021862016, 1135402240, 1277327520, 1362482688, 1459802880, 1703103360, 2043724032, 2270804480, 2554655040, 2919605760, 3406206720, 4087448064, 5109310080, 6812413440, 10218620160, 20437240320]

約数ペア:

[(1, 20437240320), (2, 10218620160), (3, 6812413440), (4, 5109310080), (5, 4087448064), (6, 3406206720), (7, 2919605760), (8, 2554655040), (9, 2270804480), (10, 2043724032), (12, 1703103360), (14, 1459802880), (15, 1362482688), (16, 1277327520), (18, 1135402240), (20, 1021862016), (21, 973201920), (24, 851551680), (28, 729901440), (30, 681241344), (32, 638663760), (35, 583921152), (36, 567701120), (40, 510931008), (42, 486600960), (45, 454160896), (48, 425775840), (56, 364950720), (60, 340620672), (63, 324400640), (64, 319331880), (70, 291960576), (72, 283850560), (80, 255465504), (84, 243300480), (90, 227080448), (96, 212887920), (105, 194640384), (112, 182475360), (120, 170310336), (126, 162200320), (128, 159665940), (140, 145980288), (144, 141925280), (160, 127732752), (168, 121650240), (180, 113540224), (192, 106443960), (210, 97320192), (224, 91237680), (240, 85155168), (252, 81100160), (256, 79832970), (280, 72990144), (288, 70962640), (315, 64880128), (320, 63866376), (336, 60825120), (360, 56770112), (384, 53221980), (420, 48660096), (448, 45618840), (480, 42577584), (504, 40550080), (512, 39916485), (560, 36495072), (576, 35481320), (630, 32440064), (640, 31933188), (672, 30412560), (720, 28385056), (768, 26610990), (840, 24330048), (896, 22809420), (960, 21288792), (1008, 20275040), (1120, 18247536), (1152, 17740660), (1260, 16220032), (1280, 15966594), (1344, 15206280), (1440, 14192528), (1536, 13305495), (1680, 12165024), (1792, 11404710), (1920, 10644396), (2016, 10137520), (2240, 9123768), (2304, 8870330), (2520, 8110016), (2560, 7983297), (2688, 7603140), (2880, 7096264), (3360, 6082512), (3584, 5702355), (3840, 5322198), (4032, 5068760), (4480, 4561884), (4608, 4435165), (5040, 4055008), (5376, 3801570), (5760, 3548132), (6720, 3041256), (7680, 2661099), (8064, 2534380), (8960, 2280942), (10080, 2027504), (10752, 1900785), (11520, 1774066), (13440, 1520628), (16128, 1267190), (17920, 1140471), (20160, 1013752), (23040, 887033), (26880, 760314), (32256, 633595), (40320, 506876), (53760, 380157), (80640, 253438), (126719, 161280)]