248670720

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:323

約数の個数: 240

約数和(自身を含む): 884755872

約数和(自身を除く): 636085152

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 64, 72, 80, 86, 90, 96, 120, 128, 129, 144, 160, 172, 180, 192, 215, 240, 251, 256, 258, 288, 320, 344, 360, 384, 387, 430, 480, 502, 512, 516, 576, 640, 645, 688, 720, 753, 768, 774, 860, 960, 1004, 1032, 1152, 1255, 1280, 1290, 1376, 1440, 1506, 1536, 1548, 1720, 1920, 1935, 2008, 2064, 2259, 2304, 2510, 2560, 2580, 2752, 2880, 3012, 3096, 3440, 3765, 3840, 3870, 4016, 4128, 4518, 4608, 5020, 5160, 5504, 5760, 6024, 6192, 6880, 7530, 7680, 7740, 8032, 8256, 9036, 10040, 10320, 10793, 11008, 11295, 11520, 12048, 12384, 13760, 15060, 15480, 16064, 16512, 18072, 20080, 20640, 21586, 22016, 22590, 23040, 24096, 24768, 27520, 30120, 30960, 32128, 32379, 33024, 36144, 40160, 41280, 43172, 45180, 48192, 49536, 53965, 55040, 60240, 61920, 64256, 64758, 66048, 72288, 80320, 82560, 86344, 90360, 96384, 97137, 99072, 107930, 110080, 120480, 123840, 128512, 129516, 144576, 160640, 161895, 165120, 172688, 180720, 192768, 194274, 198144, 215860, 240960, 247680, 259032, 289152, 321280, 323790, 330240, 345376, 361440, 385536, 388548, 431720, 481920, 485685, 495360, 518064, 578304, 642560, 647580, 690752, 722880, 777096, 863440, 963840, 971370, 990720, 1036128, 1156608, 1295160, 1381504, 1445760, 1554192, 1726880, 1927680, 1942740, 2072256, 2590320, 2763008, 2891520, 3108384, 3453760, 3885480, 4144512, 5180640, 5526016, 5783040, 6216768, 6907520, 7770960, 8289024, 10361280, 12433536, 13815040, 15541920, 16578048, 20722560, 24867072, 27630080, 31083840, 41445120, 49734144, 62167680, 82890240, 124335360, 248670720]

約数ペア:

[(1, 248670720), (2, 124335360), (3, 82890240), (4, 62167680), (5, 49734144), (6, 41445120), (8, 31083840), (9, 27630080), (10, 24867072), (12, 20722560), (15, 16578048), (16, 15541920), (18, 13815040), (20, 12433536), (24, 10361280), (30, 8289024), (32, 7770960), (36, 6907520), (40, 6216768), (43, 5783040), (45, 5526016), (48, 5180640), (60, 4144512), (64, 3885480), (72, 3453760), (80, 3108384), (86, 2891520), (90, 2763008), (96, 2590320), (120, 2072256), (128, 1942740), (129, 1927680), (144, 1726880), (160, 1554192), (172, 1445760), (180, 1381504), (192, 1295160), (215, 1156608), (240, 1036128), (251, 990720), (256, 971370), (258, 963840), (288, 863440), (320, 777096), (344, 722880), (360, 690752), (384, 647580), (387, 642560), (430, 578304), (480, 518064), (502, 495360), (512, 485685), (516, 481920), (576, 431720), (640, 388548), (645, 385536), (688, 361440), (720, 345376), (753, 330240), (768, 323790), (774, 321280), (860, 289152), (960, 259032), (1004, 247680), (1032, 240960), (1152, 215860), (1255, 198144), (1280, 194274), (1290, 192768), (1376, 180720), (1440, 172688), (1506, 165120), (1536, 161895), (1548, 160640), (1720, 144576), (1920, 129516), (1935, 128512), (2008, 123840), (2064, 120480), (2259, 110080), (2304, 107930), (2510, 99072), (2560, 97137), (2580, 96384), (2752, 90360), (2880, 86344), (3012, 82560), (3096, 80320), (3440, 72288), (3765, 66048), (3840, 64758), (3870, 64256), (4016, 61920), (4128, 60240), (4518, 55040), (4608, 53965), (5020, 49536), (5160, 48192), (5504, 45180), (5760, 43172), (6024, 41280), (6192, 40160), (6880, 36144), (7530, 33024), (7680, 32379), (7740, 32128), (8032, 30960), (8256, 30120), (9036, 27520), (10040, 24768), (10320, 24096), (10793, 23040), (11008, 22590), (11295, 22016), (11520, 21586), (12048, 20640), (12384, 20080), (13760, 18072), (15060, 16512), (15480, 16064)]