1387952640

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{563}}^1$

素因数の和:699

約数の個数: 240

約数和(自身を含む): 4860412128

約数和(自身を除く): 3472459488

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, 256, 288, 320, 321, 360, 384, 428, 480, 512, 535, 563, 576, 640, 642, 720, 768, 856, 960, 963, 1070, 1126, 1152, 1280, 1284, 1440, 1536, 1605, 1689, 1712, 1920, 1926, 2140, 2252, 2304, 2560, 2568, 2815, 2880, 3210, 3378, 3424, 3840, 3852, 4280, 4504, 4608, 4815, 5067, 5136, 5630, 5760, 6420, 6756, 6848, 7680, 7704, 8445, 8560, 9008, 9630, 10134, 10272, 11260, 11520, 12840, 13512, 13696, 15408, 16890, 17120, 18016, 19260, 20268, 20544, 22520, 23040, 25335, 25680, 27024, 27392, 30816, 33780, 34240, 36032, 38520, 40536, 41088, 45040, 50670, 51360, 54048, 54784, 60241, 61632, 67560, 68480, 72064, 77040, 81072, 82176, 90080, 101340, 102720, 108096, 120482, 123264, 135120, 136960, 144128, 154080, 162144, 164352, 180160, 180723, 202680, 205440, 216192, 240964, 246528, 270240, 273920, 288256, 301205, 308160, 324288, 360320, 361446, 405360, 410880, 432384, 481928, 493056, 540480, 542169, 602410, 616320, 648576, 720640, 722892, 810720, 821760, 864768, 903615, 963856, 1080960, 1084338, 1204820, 1232640, 1297152, 1441280, 1445784, 1621440, 1807230, 1927712, 2161920, 2168676, 2409640, 2465280, 2594304, 2710845, 2891568, 3242880, 3614460, 3855424, 4323840, 4337352, 4819280, 5421690, 5783136, 6485760, 7228920, 7710848, 8674704, 9638560, 10843380, 11566272, 12971520, 14457840, 15421696, 17349408, 19277120, 21686760, 23132544, 28915680, 30843392, 34698816, 38554240, 43373520, 46265088, 57831360, 69397632, 77108480, 86747040, 92530176, 115662720, 138795264, 154216960, 173494080, 231325440, 277590528, 346988160, 462650880, 693976320, 1387952640]

約数ペア:

[(1, 1387952640), (2, 693976320), (3, 462650880), (4, 346988160), (5, 277590528), (6, 231325440), (8, 173494080), (9, 154216960), (10, 138795264), (12, 115662720), (15, 92530176), (16, 86747040), (18, 77108480), (20, 69397632), (24, 57831360), (30, 46265088), (32, 43373520), (36, 38554240), (40, 34698816), (45, 30843392), (48, 28915680), (60, 23132544), (64, 21686760), (72, 19277120), (80, 17349408), (90, 15421696), (96, 14457840), (107, 12971520), (120, 11566272), (128, 10843380), (144, 9638560), (160, 8674704), (180, 7710848), (192, 7228920), (214, 6485760), (240, 5783136), (256, 5421690), (288, 4819280), (320, 4337352), (321, 4323840), (360, 3855424), (384, 3614460), (428, 3242880), (480, 2891568), (512, 2710845), (535, 2594304), (563, 2465280), (576, 2409640), (640, 2168676), (642, 2161920), (720, 1927712), (768, 1807230), (856, 1621440), (960, 1445784), (963, 1441280), (1070, 1297152), (1126, 1232640), (1152, 1204820), (1280, 1084338), (1284, 1080960), (1440, 963856), (1536, 903615), (1605, 864768), (1689, 821760), (1712, 810720), (1920, 722892), (1926, 720640), (2140, 648576), (2252, 616320), (2304, 602410), (2560, 542169), (2568, 540480), (2815, 493056), (2880, 481928), (3210, 432384), (3378, 410880), (3424, 405360), (3840, 361446), (3852, 360320), (4280, 324288), (4504, 308160), (4608, 301205), (4815, 288256), (5067, 273920), (5136, 270240), (5630, 246528), (5760, 240964), (6420, 216192), (6756, 205440), (6848, 202680), (7680, 180723), (7704, 180160), (8445, 164352), (8560, 162144), (9008, 154080), (9630, 144128), (10134, 136960), (10272, 135120), (11260, 123264), (11520, 120482), (12840, 108096), (13512, 102720), (13696, 101340), (15408, 90080), (16890, 82176), (17120, 81072), (18016, 77040), (19260, 72064), (20268, 68480), (20544, 67560), (22520, 61632), (23040, 60241), (25335, 54784), (25680, 54048), (27024, 51360), (27392, 50670), (30816, 45040), (33780, 41088), (34240, 40536), (36032, 38520)]