1220221440

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{251}}^1$

素因数の和:491

約数の個数: 240

約数和(自身を含む): 4262914656

約数和(自身を除く): 3042693216

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 211, 240, 251, 256, 288, 320, 360, 384, 422, 480, 502, 512, 576, 633, 640, 720, 753, 768, 844, 960, 1004, 1055, 1152, 1255, 1266, 1280, 1440, 1506, 1536, 1688, 1899, 1920, 2008, 2110, 2259, 2304, 2510, 2532, 2560, 2880, 3012, 3165, 3376, 3765, 3798, 3840, 4016, 4220, 4518, 4608, 5020, 5064, 5760, 6024, 6330, 6752, 7530, 7596, 7680, 8032, 8440, 9036, 9495, 10040, 10128, 11295, 11520, 12048, 12660, 13504, 15060, 15192, 16064, 16880, 18072, 18990, 20080, 20256, 22590, 23040, 24096, 25320, 27008, 30120, 30384, 32128, 33760, 36144, 37980, 40160, 40512, 45180, 48192, 50640, 52961, 54016, 60240, 60768, 64256, 67520, 72288, 75960, 80320, 81024, 90360, 96384, 101280, 105922, 108032, 120480, 121536, 128512, 135040, 144576, 151920, 158883, 160640, 162048, 180720, 192768, 202560, 211844, 240960, 243072, 264805, 270080, 289152, 303840, 317766, 321280, 324096, 361440, 385536, 405120, 423688, 476649, 481920, 486144, 529610, 540160, 578304, 607680, 635532, 642560, 722880, 794415, 810240, 847376, 953298, 963840, 972288, 1059220, 1156608, 1215360, 1271064, 1445760, 1588830, 1620480, 1694752, 1906596, 1927680, 2118440, 2383245, 2430720, 2542128, 2891520, 3177660, 3389504, 3813192, 4236880, 4766490, 4861440, 5084256, 5783040, 6355320, 6779008, 7626384, 8473760, 9532980, 10168512, 12710640, 13558016, 15252768, 16947520, 19065960, 20337024, 25421280, 27116032, 30505536, 33895040, 38131920, 40674048, 50842560, 61011072, 67790080, 76263840, 81348096, 101685120, 122022144, 135580160, 152527680, 203370240, 244044288, 305055360, 406740480, 610110720, 1220221440]

約数ペア:

[(1, 1220221440), (2, 610110720), (3, 406740480), (4, 305055360), (5, 244044288), (6, 203370240), (8, 152527680), (9, 135580160), (10, 122022144), (12, 101685120), (15, 81348096), (16, 76263840), (18, 67790080), (20, 61011072), (24, 50842560), (30, 40674048), (32, 38131920), (36, 33895040), (40, 30505536), (45, 27116032), (48, 25421280), (60, 20337024), (64, 19065960), (72, 16947520), (80, 15252768), (90, 13558016), (96, 12710640), (120, 10168512), (128, 9532980), (144, 8473760), (160, 7626384), (180, 6779008), (192, 6355320), (211, 5783040), (240, 5084256), (251, 4861440), (256, 4766490), (288, 4236880), (320, 3813192), (360, 3389504), (384, 3177660), (422, 2891520), (480, 2542128), (502, 2430720), (512, 2383245), (576, 2118440), (633, 1927680), (640, 1906596), (720, 1694752), (753, 1620480), (768, 1588830), (844, 1445760), (960, 1271064), (1004, 1215360), (1055, 1156608), (1152, 1059220), (1255, 972288), (1266, 963840), (1280, 953298), (1440, 847376), (1506, 810240), (1536, 794415), (1688, 722880), (1899, 642560), (1920, 635532), (2008, 607680), (2110, 578304), (2259, 540160), (2304, 529610), (2510, 486144), (2532, 481920), (2560, 476649), (2880, 423688), (3012, 405120), (3165, 385536), (3376, 361440), (3765, 324096), (3798, 321280), (3840, 317766), (4016, 303840), (4220, 289152), (4518, 270080), (4608, 264805), (5020, 243072), (5064, 240960), (5760, 211844), (6024, 202560), (6330, 192768), (6752, 180720), (7530, 162048), (7596, 160640), (7680, 158883), (8032, 151920), (8440, 144576), (9036, 135040), (9495, 128512), (10040, 121536), (10128, 120480), (11295, 108032), (11520, 105922), (12048, 101280), (12660, 96384), (13504, 90360), (15060, 81024), (15192, 80320), (16064, 75960), (16880, 72288), (18072, 67520), (18990, 64256), (20080, 60768), (20256, 60240), (22590, 54016), (23040, 52961), (24096, 50640), (25320, 48192), (27008, 45180), (30120, 40512), (30384, 40160), (32128, 37980), (33760, 36144)]