1381201920

素因数分解:

$2^{11}\times 3^2\times 5^1\times 7^1\times {\mathrm{2141}}^1$

素因数の和:2181

約数の個数: 288

約数和(自身を含む): 5473409760

約数和(自身を除く): 4092207840

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, 1024, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1680, 1792, 1920, 2016, 2048, 2141, 2240, 2304, 2520, 2560, 2688, 2880, 3072, 3360, 3584, 3840, 4032, 4282, 4480, 4608, 5040, 5120, 5376, 5760, 6144, 6423, 6720, 7168, 7680, 8064, 8564, 8960, 9216, 10080, 10240, 10705, 10752, 11520, 12846, 13440, 14336, 14987, 15360, 16128, 17128, 17920, 18432, 19269, 20160, 21410, 21504, 23040, 25692, 26880, 29974, 30720, 32115, 32256, 34256, 35840, 38538, 40320, 42820, 43008, 44961, 46080, 51384, 53760, 59948, 64230, 64512, 68512, 71680, 74935, 77076, 80640, 85640, 89922, 92160, 96345, 102768, 107520, 119896, 128460, 129024, 134883, 137024, 149870, 154152, 161280, 171280, 179844, 192690, 205536, 215040, 224805, 239792, 256920, 269766, 274048, 299740, 308304, 322560, 342560, 359688, 385380, 411072, 449610, 479584, 513840, 539532, 548096, 599480, 616608, 645120, 674415, 685120, 719376, 770760, 822144, 899220, 959168, 1027680, 1079064, 1096192, 1198960, 1233216, 1348830, 1370240, 1438752, 1541520, 1644288, 1798440, 1918336, 2055360, 2158128, 2192384, 2397920, 2466432, 2697660, 2740480, 2877504, 3083040, 3288576, 3596880, 3836672, 4110720, 4316256, 4384768, 4795840, 4932864, 5395320, 5480960, 5755008, 6166080, 6577152, 7193760, 7673344, 8221440, 8632512, 9591680, 9865728, 10790640, 10961920, 11510016, 12332160, 13154304, 14387520, 15346688, 16442880, 17265024, 19183360, 19731456, 21581280, 21923840, 23020032, 24664320, 28775040, 30693376, 32885760, 34530048, 38366720, 39462912, 43162560, 46040064, 49328640, 57550080, 65771520, 69060096, 76733440, 86325120, 92080128, 98657280, 115100160, 138120192, 153466880, 172650240, 197314560, 230200320, 276240384, 345300480, 460400640, 690600960, 1381201920]

約数ペア:

[(1, 1381201920), (2, 690600960), (3, 460400640), (4, 345300480), (5, 276240384), (6, 230200320), (7, 197314560), (8, 172650240), (9, 153466880), (10, 138120192), (12, 115100160), (14, 98657280), (15, 92080128), (16, 86325120), (18, 76733440), (20, 69060096), (21, 65771520), (24, 57550080), (28, 49328640), (30, 46040064), (32, 43162560), (35, 39462912), (36, 38366720), (40, 34530048), (42, 32885760), (45, 30693376), (48, 28775040), (56, 24664320), (60, 23020032), (63, 21923840), (64, 21581280), (70, 19731456), (72, 19183360), (80, 17265024), (84, 16442880), (90, 15346688), (96, 14387520), (105, 13154304), (112, 12332160), (120, 11510016), (126, 10961920), (128, 10790640), (140, 9865728), (144, 9591680), (160, 8632512), (168, 8221440), (180, 7673344), (192, 7193760), (210, 6577152), (224, 6166080), (240, 5755008), (252, 5480960), (256, 5395320), (280, 4932864), (288, 4795840), (315, 4384768), (320, 4316256), (336, 4110720), (360, 3836672), (384, 3596880), (420, 3288576), (448, 3083040), (480, 2877504), (504, 2740480), (512, 2697660), (560, 2466432), (576, 2397920), (630, 2192384), (640, 2158128), (672, 2055360), (720, 1918336), (768, 1798440), (840, 1644288), (896, 1541520), (960, 1438752), (1008, 1370240), (1024, 1348830), (1120, 1233216), (1152, 1198960), (1260, 1096192), (1280, 1079064), (1344, 1027680), (1440, 959168), (1536, 899220), (1680, 822144), (1792, 770760), (1920, 719376), (2016, 685120), (2048, 674415), (2141, 645120), (2240, 616608), (2304, 599480), (2520, 548096), (2560, 539532), (2688, 513840), (2880, 479584), (3072, 449610), (3360, 411072), (3584, 385380), (3840, 359688), (4032, 342560), (4282, 322560), (4480, 308304), (4608, 299740), (5040, 274048), (5120, 269766), (5376, 256920), (5760, 239792), (6144, 224805), (6423, 215040), (6720, 205536), (7168, 192690), (7680, 179844), (8064, 171280), (8564, 161280), (8960, 154152), (9216, 149870), (10080, 137024), (10240, 134883), (10705, 129024), (10752, 128460), (11520, 119896), (12846, 107520), (13440, 102768), (14336, 96345), (14987, 92160), (15360, 89922), (16128, 85640), (17128, 80640), (17920, 77076), (18432, 74935), (19269, 71680), (20160, 68512), (21410, 64512), (21504, 64230), (23040, 59948), (25692, 53760), (26880, 51384), (29974, 46080), (30720, 44961), (32115, 43008), (32256, 42820), (34256, 40320), (35840, 38538)]