491364720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8863}}^1$

素因数の和:8900

約数の個数: 240

約数和(自身を含む): 2057582592

約数和(自身を除く): 1566217872

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 165, 168, 176, 180, 198, 210, 220, 231, 240, 252, 264, 280, 308, 315, 330, 336, 360, 385, 396, 420, 440, 462, 495, 504, 528, 560, 616, 630, 660, 693, 720, 770, 792, 840, 880, 924, 990, 1008, 1155, 1232, 1260, 1320, 1386, 1540, 1584, 1680, 1848, 1980, 2310, 2520, 2640, 2772, 3080, 3465, 3696, 3960, 4620, 5040, 5544, 6160, 6930, 7920, 8863, 9240, 11088, 13860, 17726, 18480, 26589, 27720, 35452, 44315, 53178, 55440, 62041, 70904, 79767, 88630, 97493, 106356, 124082, 132945, 141808, 159534, 177260, 186123, 194986, 212712, 248164, 265890, 292479, 310205, 319068, 354520, 372246, 389972, 398835, 425424, 487465, 496328, 531780, 558369, 584958, 620410, 638136, 682451, 709040, 744492, 779944, 797670, 877437, 930615, 974930, 992656, 1063560, 1116738, 1169916, 1240820, 1276272, 1364902, 1462395, 1488984, 1559888, 1595340, 1754874, 1861230, 1949860, 2047353, 2127120, 2233476, 2339832, 2481640, 2729804, 2791845, 2924790, 2977968, 3190680, 3412255, 3509748, 3722460, 3899720, 4094706, 4387185, 4466952, 4679664, 4963280, 5459608, 5583690, 5849580, 6142059, 6381360, 6824510, 7019496, 7444920, 7799440, 8189412, 8774370, 8933904, 10236765, 10919216, 11167380, 11699160, 12284118, 13649020, 14038992, 14889840, 16378824, 17548740, 20473530, 22334760, 23398320, 24568236, 27298040, 30710295, 32757648, 35097480, 40947060, 44669520, 49136472, 54596080, 61420590, 70194960, 81894120, 98272944, 122841180, 163788240, 245682360, 491364720]

約数ペア:

[(1, 491364720), (2, 245682360), (3, 163788240), (4, 122841180), (5, 98272944), (6, 81894120), (7, 70194960), (8, 61420590), (9, 54596080), (10, 49136472), (11, 44669520), (12, 40947060), (14, 35097480), (15, 32757648), (16, 30710295), (18, 27298040), (20, 24568236), (21, 23398320), (22, 22334760), (24, 20473530), (28, 17548740), (30, 16378824), (33, 14889840), (35, 14038992), (36, 13649020), (40, 12284118), (42, 11699160), (44, 11167380), (45, 10919216), (48, 10236765), (55, 8933904), (56, 8774370), (60, 8189412), (63, 7799440), (66, 7444920), (70, 7019496), (72, 6824510), (77, 6381360), (80, 6142059), (84, 5849580), (88, 5583690), (90, 5459608), (99, 4963280), (105, 4679664), (110, 4466952), (112, 4387185), (120, 4094706), (126, 3899720), (132, 3722460), (140, 3509748), (144, 3412255), (154, 3190680), (165, 2977968), (168, 2924790), (176, 2791845), (180, 2729804), (198, 2481640), (210, 2339832), (220, 2233476), (231, 2127120), (240, 2047353), (252, 1949860), (264, 1861230), (280, 1754874), (308, 1595340), (315, 1559888), (330, 1488984), (336, 1462395), (360, 1364902), (385, 1276272), (396, 1240820), (420, 1169916), (440, 1116738), (462, 1063560), (495, 992656), (504, 974930), (528, 930615), (560, 877437), (616, 797670), (630, 779944), (660, 744492), (693, 709040), (720, 682451), (770, 638136), (792, 620410), (840, 584958), (880, 558369), (924, 531780), (990, 496328), (1008, 487465), (1155, 425424), (1232, 398835), (1260, 389972), (1320, 372246), (1386, 354520), (1540, 319068), (1584, 310205), (1680, 292479), (1848, 265890), (1980, 248164), (2310, 212712), (2520, 194986), (2640, 186123), (2772, 177260), (3080, 159534), (3465, 141808), (3696, 132945), (3960, 124082), (4620, 106356), (5040, 97493), (5544, 88630), (6160, 79767), (6930, 70904), (7920, 62041), (8863, 55440), (9240, 53178), (11088, 44315), (13860, 35452), (17726, 27720), (18480, 26589)]