1261140480

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{431}}^1$

素因数の和:587

約数の個数: 240

約数和(自身を含む): 4412289024

約数和(自身を除く): 3151148544

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, 127, 128, 144, 160, 180, 192, 240, 254, 256, 288, 320, 360, 381, 384, 431, 480, 508, 512, 576, 635, 640, 720, 762, 768, 862, 960, 1016, 1143, 1152, 1270, 1280, 1293, 1440, 1524, 1536, 1724, 1905, 1920, 2032, 2155, 2286, 2304, 2540, 2560, 2586, 2880, 3048, 3448, 3810, 3840, 3879, 4064, 4310, 4572, 4608, 5080, 5172, 5715, 5760, 6096, 6465, 6896, 7620, 7680, 7758, 8128, 8620, 9144, 10160, 10344, 11430, 11520, 12192, 12930, 13792, 15240, 15516, 16256, 17240, 18288, 19395, 20320, 20688, 22860, 23040, 24384, 25860, 27584, 30480, 31032, 32512, 34480, 36576, 38790, 40640, 41376, 45720, 48768, 51720, 54737, 55168, 60960, 62064, 65024, 68960, 73152, 77580, 81280, 82752, 91440, 97536, 103440, 109474, 110336, 121920, 124128, 137920, 146304, 155160, 162560, 164211, 165504, 182880, 195072, 206880, 218948, 220672, 243840, 248256, 273685, 275840, 292608, 310320, 325120, 328422, 331008, 365760, 413760, 437896, 487680, 492633, 496512, 547370, 551680, 585216, 620640, 656844, 662016, 731520, 821055, 827520, 875792, 975360, 985266, 993024, 1094740, 1103360, 1241280, 1313688, 1463040, 1642110, 1655040, 1751584, 1970532, 1986048, 2189480, 2463165, 2482560, 2627376, 2926080, 3284220, 3310080, 3503168, 3941064, 4378960, 4926330, 4965120, 5254752, 6568440, 7006336, 7882128, 8757920, 9852660, 9930240, 10509504, 13136880, 14012672, 15764256, 17515840, 19705320, 21019008, 26273760, 28025344, 31528512, 35031680, 39410640, 42038016, 52547520, 63057024, 70063360, 78821280, 84076032, 105095040, 126114048, 140126720, 157642560, 210190080, 252228096, 315285120, 420380160, 630570240, 1261140480]

約数ペア:

[(1, 1261140480), (2, 630570240), (3, 420380160), (4, 315285120), (5, 252228096), (6, 210190080), (8, 157642560), (9, 140126720), (10, 126114048), (12, 105095040), (15, 84076032), (16, 78821280), (18, 70063360), (20, 63057024), (24, 52547520), (30, 42038016), (32, 39410640), (36, 35031680), (40, 31528512), (45, 28025344), (48, 26273760), (60, 21019008), (64, 19705320), (72, 17515840), (80, 15764256), (90, 14012672), (96, 13136880), (120, 10509504), (127, 9930240), (128, 9852660), (144, 8757920), (160, 7882128), (180, 7006336), (192, 6568440), (240, 5254752), (254, 4965120), (256, 4926330), (288, 4378960), (320, 3941064), (360, 3503168), (381, 3310080), (384, 3284220), (431, 2926080), (480, 2627376), (508, 2482560), (512, 2463165), (576, 2189480), (635, 1986048), (640, 1970532), (720, 1751584), (762, 1655040), (768, 1642110), (862, 1463040), (960, 1313688), (1016, 1241280), (1143, 1103360), (1152, 1094740), (1270, 993024), (1280, 985266), (1293, 975360), (1440, 875792), (1524, 827520), (1536, 821055), (1724, 731520), (1905, 662016), (1920, 656844), (2032, 620640), (2155, 585216), (2286, 551680), (2304, 547370), (2540, 496512), (2560, 492633), (2586, 487680), (2880, 437896), (3048, 413760), (3448, 365760), (3810, 331008), (3840, 328422), (3879, 325120), (4064, 310320), (4310, 292608), (4572, 275840), (4608, 273685), (5080, 248256), (5172, 243840), (5715, 220672), (5760, 218948), (6096, 206880), (6465, 195072), (6896, 182880), (7620, 165504), (7680, 164211), (7758, 162560), (8128, 155160), (8620, 146304), (9144, 137920), (10160, 124128), (10344, 121920), (11430, 110336), (11520, 109474), (12192, 103440), (12930, 97536), (13792, 91440), (15240, 82752), (15516, 81280), (16256, 77580), (17240, 73152), (18288, 68960), (19395, 65024), (20320, 62064), (20688, 60960), (22860, 55168), (23040, 54737), (24384, 51720), (25860, 48768), (27584, 45720), (30480, 41376), (31032, 40640), (32512, 38790), (34480, 36576)]