65625840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:504

約数の個数: 240

約数和(自身を含む): 261144000

約数和(自身を除く): 195518160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 29, 30, 35, 36, 40, 42, 45, 48, 56, 58, 60, 63, 70, 72, 80, 84, 87, 90, 105, 112, 116, 120, 126, 140, 144, 145, 168, 174, 180, 203, 210, 232, 240, 252, 261, 280, 290, 315, 336, 348, 360, 406, 420, 435, 449, 464, 504, 522, 560, 580, 609, 630, 696, 720, 812, 840, 870, 898, 1008, 1015, 1044, 1160, 1218, 1260, 1305, 1347, 1392, 1624, 1680, 1740, 1796, 1827, 2030, 2088, 2245, 2320, 2436, 2520, 2610, 2694, 3045, 3143, 3248, 3480, 3592, 3654, 4041, 4060, 4176, 4490, 4872, 5040, 5220, 5388, 6090, 6286, 6735, 6960, 7184, 7308, 8082, 8120, 8980, 9135, 9429, 9744, 10440, 10776, 12180, 12572, 13021, 13470, 14616, 15715, 16164, 16240, 17960, 18270, 18858, 20205, 20880, 21552, 24360, 25144, 26042, 26940, 28287, 29232, 31430, 32328, 35920, 36540, 37716, 39063, 40410, 47145, 48720, 50288, 52084, 53880, 56574, 62860, 64656, 65105, 73080, 75432, 78126, 80820, 91147, 94290, 104168, 107760, 113148, 117189, 125720, 130210, 141435, 146160, 150864, 156252, 161640, 182294, 188580, 195315, 208336, 226296, 234378, 251440, 260420, 273441, 282870, 312504, 323280, 364588, 377160, 390630, 452592, 455735, 468756, 520840, 546882, 565740, 585945, 625008, 729176, 754320, 781260, 820323, 911470, 937512, 1041680, 1093764, 1131480, 1171890, 1367205, 1458352, 1562520, 1640646, 1822940, 1875024, 2187528, 2262960, 2343780, 2734410, 3125040, 3281292, 3645880, 4101615, 4375056, 4687560, 5468820, 6562584, 7291760, 8203230, 9375120, 10937640, 13125168, 16406460, 21875280, 32812920, 65625840]

約数ペア:

[(1, 65625840), (2, 32812920), (3, 21875280), (4, 16406460), (5, 13125168), (6, 10937640), (7, 9375120), (8, 8203230), (9, 7291760), (10, 6562584), (12, 5468820), (14, 4687560), (15, 4375056), (16, 4101615), (18, 3645880), (20, 3281292), (21, 3125040), (24, 2734410), (28, 2343780), (29, 2262960), (30, 2187528), (35, 1875024), (36, 1822940), (40, 1640646), (42, 1562520), (45, 1458352), (48, 1367205), (56, 1171890), (58, 1131480), (60, 1093764), (63, 1041680), (70, 937512), (72, 911470), (80, 820323), (84, 781260), (87, 754320), (90, 729176), (105, 625008), (112, 585945), (116, 565740), (120, 546882), (126, 520840), (140, 468756), (144, 455735), (145, 452592), (168, 390630), (174, 377160), (180, 364588), (203, 323280), (210, 312504), (232, 282870), (240, 273441), (252, 260420), (261, 251440), (280, 234378), (290, 226296), (315, 208336), (336, 195315), (348, 188580), (360, 182294), (406, 161640), (420, 156252), (435, 150864), (449, 146160), (464, 141435), (504, 130210), (522, 125720), (560, 117189), (580, 113148), (609, 107760), (630, 104168), (696, 94290), (720, 91147), (812, 80820), (840, 78126), (870, 75432), (898, 73080), (1008, 65105), (1015, 64656), (1044, 62860), (1160, 56574), (1218, 53880), (1260, 52084), (1305, 50288), (1347, 48720), (1392, 47145), (1624, 40410), (1680, 39063), (1740, 37716), (1796, 36540), (1827, 35920), (2030, 32328), (2088, 31430), (2245, 29232), (2320, 28287), (2436, 26940), (2520, 26042), (2610, 25144), (2694, 24360), (3045, 21552), (3143, 20880), (3248, 20205), (3480, 18858), (3592, 18270), (3654, 17960), (4041, 16240), (4060, 16164), (4176, 15715), (4490, 14616), (4872, 13470), (5040, 13021), (5220, 12572), (5388, 12180), (6090, 10776), (6286, 10440), (6735, 9744), (6960, 9429), (7184, 9135), (7308, 8980), (8082, 8120)]