252481680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:550

約数の個数: 240

約数和(自身を含む): 940118400

約数和(自身を除く): 687636720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 71, 72, 80, 88, 90, 99, 110, 120, 132, 142, 144, 165, 176, 180, 198, 213, 220, 240, 264, 284, 330, 355, 360, 396, 426, 440, 449, 495, 528, 568, 639, 660, 710, 720, 781, 792, 852, 880, 898, 990, 1065, 1136, 1278, 1320, 1347, 1420, 1562, 1584, 1704, 1796, 1980, 2130, 2245, 2343, 2556, 2640, 2694, 2840, 3124, 3195, 3408, 3592, 3905, 3960, 4041, 4260, 4490, 4686, 4939, 5112, 5388, 5680, 6248, 6390, 6735, 7029, 7184, 7810, 7920, 8082, 8520, 8980, 9372, 9878, 10224, 10776, 11715, 12496, 12780, 13470, 14058, 14817, 15620, 16164, 17040, 17960, 18744, 19756, 20205, 21552, 23430, 24695, 25560, 26940, 28116, 29634, 31240, 31879, 32328, 35145, 35920, 37488, 39512, 40410, 44451, 46860, 49390, 51120, 53880, 56232, 59268, 62480, 63758, 64656, 70290, 74085, 79024, 80820, 88902, 93720, 95637, 98780, 107760, 112464, 118536, 127516, 140580, 148170, 159395, 161640, 177804, 187440, 191274, 197560, 222255, 237072, 255032, 281160, 286911, 296340, 318790, 323280, 350669, 355608, 382548, 395120, 444510, 478185, 510064, 562320, 573822, 592680, 637580, 701338, 711216, 765096, 889020, 956370, 1052007, 1147644, 1185360, 1275160, 1402676, 1434555, 1530192, 1753345, 1778040, 1912740, 2104014, 2295288, 2550320, 2805352, 2869110, 3156021, 3506690, 3556080, 3825480, 4208028, 4590576, 5260035, 5610704, 5738220, 6312042, 7013380, 7650960, 8416056, 10520070, 11476440, 12624084, 14026760, 15780105, 16832112, 21040140, 22952880, 25248168, 28053520, 31560210, 42080280, 50496336, 63120420, 84160560, 126240840, 252481680]

約数ペア:

[(1, 252481680), (2, 126240840), (3, 84160560), (4, 63120420), (5, 50496336), (6, 42080280), (8, 31560210), (9, 28053520), (10, 25248168), (11, 22952880), (12, 21040140), (15, 16832112), (16, 15780105), (18, 14026760), (20, 12624084), (22, 11476440), (24, 10520070), (30, 8416056), (33, 7650960), (36, 7013380), (40, 6312042), (44, 5738220), (45, 5610704), (48, 5260035), (55, 4590576), (60, 4208028), (66, 3825480), (71, 3556080), (72, 3506690), (80, 3156021), (88, 2869110), (90, 2805352), (99, 2550320), (110, 2295288), (120, 2104014), (132, 1912740), (142, 1778040), (144, 1753345), (165, 1530192), (176, 1434555), (180, 1402676), (198, 1275160), (213, 1185360), (220, 1147644), (240, 1052007), (264, 956370), (284, 889020), (330, 765096), (355, 711216), (360, 701338), (396, 637580), (426, 592680), (440, 573822), (449, 562320), (495, 510064), (528, 478185), (568, 444510), (639, 395120), (660, 382548), (710, 355608), (720, 350669), (781, 323280), (792, 318790), (852, 296340), (880, 286911), (898, 281160), (990, 255032), (1065, 237072), (1136, 222255), (1278, 197560), (1320, 191274), (1347, 187440), (1420, 177804), (1562, 161640), (1584, 159395), (1704, 148170), (1796, 140580), (1980, 127516), (2130, 118536), (2245, 112464), (2343, 107760), (2556, 98780), (2640, 95637), (2694, 93720), (2840, 88902), (3124, 80820), (3195, 79024), (3408, 74085), (3592, 70290), (3905, 64656), (3960, 63758), (4041, 62480), (4260, 59268), (4490, 56232), (4686, 53880), (4939, 51120), (5112, 49390), (5388, 46860), (5680, 44451), (6248, 40410), (6390, 39512), (6735, 37488), (7029, 35920), (7184, 35145), (7810, 32328), (7920, 31879), (8082, 31240), (8520, 29634), (8980, 28116), (9372, 26940), (9878, 25560), (10224, 24695), (10776, 23430), (11715, 21552), (12496, 20205), (12780, 19756), (13470, 18744), (14058, 17960), (14817, 17040), (15620, 16164)]