309392640

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:385

約数の個数: 216

約数和(自身を含む): 1084775328

約数和(自身を除く): 775382688

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, 107, 120, 128, 144, 160, 180, 192, 214, 240, 251, 256, 288, 320, 321, 360, 384, 428, 480, 502, 535, 576, 640, 642, 720, 753, 768, 856, 960, 963, 1004, 1070, 1152, 1255, 1280, 1284, 1440, 1506, 1605, 1712, 1920, 1926, 2008, 2140, 2259, 2304, 2510, 2568, 2880, 3012, 3210, 3424, 3765, 3840, 3852, 4016, 4280, 4518, 4815, 5020, 5136, 5760, 6024, 6420, 6848, 7530, 7704, 8032, 8560, 9036, 9630, 10040, 10272, 11295, 11520, 12048, 12840, 13696, 15060, 15408, 16064, 17120, 18072, 19260, 20080, 20544, 22590, 24096, 25680, 26857, 27392, 30120, 30816, 32128, 34240, 36144, 38520, 40160, 41088, 45180, 48192, 51360, 53714, 60240, 61632, 64256, 68480, 72288, 77040, 80320, 80571, 82176, 90360, 96384, 102720, 107428, 120480, 123264, 134285, 136960, 144576, 154080, 160640, 161142, 180720, 192768, 205440, 214856, 240960, 241713, 246528, 268570, 289152, 308160, 321280, 322284, 361440, 402855, 410880, 429712, 481920, 483426, 537140, 578304, 616320, 644568, 722880, 805710, 859424, 963840, 966852, 1074280, 1208565, 1232640, 1289136, 1445760, 1611420, 1718848, 1933704, 2148560, 2417130, 2578272, 2891520, 3222840, 3437696, 3867408, 4297120, 4834260, 5156544, 6445680, 6875392, 7734816, 8594240, 9668520, 10313088, 12891360, 15469632, 17188480, 19337040, 20626176, 25782720, 30939264, 34376960, 38674080, 51565440, 61878528, 77348160, 103130880, 154696320, 309392640]

約数ペア:

[(1, 309392640), (2, 154696320), (3, 103130880), (4, 77348160), (5, 61878528), (6, 51565440), (8, 38674080), (9, 34376960), (10, 30939264), (12, 25782720), (15, 20626176), (16, 19337040), (18, 17188480), (20, 15469632), (24, 12891360), (30, 10313088), (32, 9668520), (36, 8594240), (40, 7734816), (45, 6875392), (48, 6445680), (60, 5156544), (64, 4834260), (72, 4297120), (80, 3867408), (90, 3437696), (96, 3222840), (107, 2891520), (120, 2578272), (128, 2417130), (144, 2148560), (160, 1933704), (180, 1718848), (192, 1611420), (214, 1445760), (240, 1289136), (251, 1232640), (256, 1208565), (288, 1074280), (320, 966852), (321, 963840), (360, 859424), (384, 805710), (428, 722880), (480, 644568), (502, 616320), (535, 578304), (576, 537140), (640, 483426), (642, 481920), (720, 429712), (753, 410880), (768, 402855), (856, 361440), (960, 322284), (963, 321280), (1004, 308160), (1070, 289152), (1152, 268570), (1255, 246528), (1280, 241713), (1284, 240960), (1440, 214856), (1506, 205440), (1605, 192768), (1712, 180720), (1920, 161142), (1926, 160640), (2008, 154080), (2140, 144576), (2259, 136960), (2304, 134285), (2510, 123264), (2568, 120480), (2880, 107428), (3012, 102720), (3210, 96384), (3424, 90360), (3765, 82176), (3840, 80571), (3852, 80320), (4016, 77040), (4280, 72288), (4518, 68480), (4815, 64256), (5020, 61632), (5136, 60240), (5760, 53714), (6024, 51360), (6420, 48192), (6848, 45180), (7530, 41088), (7704, 40160), (8032, 38520), (8560, 36144), (9036, 34240), (9630, 32128), (10040, 30816), (10272, 30120), (11295, 27392), (11520, 26857), (12048, 25680), (12840, 24096), (13696, 22590), (15060, 20544), (15408, 20080), (16064, 19260), (17120, 18072)]