81424800

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:332

約数の個数: 216

約数和(自身を含む): 294918624

約数和(自身を除く): 213493824

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 43, 45, 48, 50, 60, 72, 75, 80, 86, 90, 96, 100, 120, 129, 144, 150, 160, 172, 180, 200, 215, 225, 240, 258, 263, 288, 300, 344, 360, 387, 400, 430, 450, 480, 516, 526, 600, 645, 688, 720, 774, 789, 800, 860, 900, 1032, 1052, 1075, 1200, 1290, 1315, 1376, 1440, 1548, 1578, 1720, 1800, 1935, 2064, 2104, 2150, 2367, 2400, 2580, 2630, 3096, 3156, 3225, 3440, 3600, 3870, 3945, 4128, 4208, 4300, 4734, 5160, 5260, 6192, 6312, 6450, 6575, 6880, 7200, 7740, 7890, 8416, 8600, 9468, 9675, 10320, 10520, 11309, 11835, 12384, 12624, 12900, 13150, 15480, 15780, 17200, 18936, 19350, 19725, 20640, 21040, 22618, 23670, 25248, 25800, 26300, 30960, 31560, 33927, 34400, 37872, 38700, 39450, 42080, 45236, 47340, 51600, 52600, 56545, 59175, 61920, 63120, 67854, 75744, 77400, 78900, 90472, 94680, 101781, 103200, 105200, 113090, 118350, 126240, 135708, 154800, 157800, 169635, 180944, 189360, 203562, 210400, 226180, 236700, 271416, 282725, 309600, 315600, 339270, 361888, 378720, 407124, 452360, 473400, 508905, 542832, 565450, 631200, 678540, 814248, 848175, 904720, 946800, 1017810, 1085664, 1130900, 1357080, 1628496, 1696350, 1809440, 1893600, 2035620, 2261800, 2544525, 2714160, 3256992, 3392700, 4071240, 4523600, 5089050, 5428320, 6785400, 8142480, 9047200, 10178100, 13570800, 16284960, 20356200, 27141600, 40712400, 81424800]

約数ペア:

[(1, 81424800), (2, 40712400), (3, 27141600), (4, 20356200), (5, 16284960), (6, 13570800), (8, 10178100), (9, 9047200), (10, 8142480), (12, 6785400), (15, 5428320), (16, 5089050), (18, 4523600), (20, 4071240), (24, 3392700), (25, 3256992), (30, 2714160), (32, 2544525), (36, 2261800), (40, 2035620), (43, 1893600), (45, 1809440), (48, 1696350), (50, 1628496), (60, 1357080), (72, 1130900), (75, 1085664), (80, 1017810), (86, 946800), (90, 904720), (96, 848175), (100, 814248), (120, 678540), (129, 631200), (144, 565450), (150, 542832), (160, 508905), (172, 473400), (180, 452360), (200, 407124), (215, 378720), (225, 361888), (240, 339270), (258, 315600), (263, 309600), (288, 282725), (300, 271416), (344, 236700), (360, 226180), (387, 210400), (400, 203562), (430, 189360), (450, 180944), (480, 169635), (516, 157800), (526, 154800), (600, 135708), (645, 126240), (688, 118350), (720, 113090), (774, 105200), (789, 103200), (800, 101781), (860, 94680), (900, 90472), (1032, 78900), (1052, 77400), (1075, 75744), (1200, 67854), (1290, 63120), (1315, 61920), (1376, 59175), (1440, 56545), (1548, 52600), (1578, 51600), (1720, 47340), (1800, 45236), (1935, 42080), (2064, 39450), (2104, 38700), (2150, 37872), (2367, 34400), (2400, 33927), (2580, 31560), (2630, 30960), (3096, 26300), (3156, 25800), (3225, 25248), (3440, 23670), (3600, 22618), (3870, 21040), (3945, 20640), (4128, 19725), (4208, 19350), (4300, 18936), (4734, 17200), (5160, 15780), (5260, 15480), (6192, 13150), (6312, 12900), (6450, 12624), (6575, 12384), (6880, 11835), (7200, 11309), (7740, 10520), (7890, 10320), (8416, 9675), (8600, 9468)]