81842400

素因数分解:

$2^5\times 3^5\times 5^2\times {\mathrm{421}}^1$

素因数の和:456

約数の個数: 216

約数和(自身を含む): 299996424

約数和(自身を除く): 218154024

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 81, 90, 96, 100, 108, 120, 135, 144, 150, 160, 162, 180, 200, 216, 225, 240, 243, 270, 288, 300, 324, 360, 400, 405, 421, 432, 450, 480, 486, 540, 600, 648, 675, 720, 800, 810, 842, 864, 900, 972, 1080, 1200, 1215, 1263, 1296, 1350, 1440, 1620, 1684, 1800, 1944, 2025, 2105, 2160, 2400, 2430, 2526, 2592, 2700, 3240, 3368, 3600, 3789, 3888, 4050, 4210, 4320, 4860, 5052, 5400, 6075, 6315, 6480, 6736, 7200, 7578, 7776, 8100, 8420, 9720, 10104, 10525, 10800, 11367, 12150, 12630, 12960, 13472, 15156, 16200, 16840, 18945, 19440, 20208, 21050, 21600, 22734, 24300, 25260, 30312, 31575, 32400, 33680, 34101, 37890, 38880, 40416, 42100, 45468, 48600, 50520, 56835, 60624, 63150, 64800, 67360, 68202, 75780, 84200, 90936, 94725, 97200, 101040, 102303, 113670, 121248, 126300, 136404, 151560, 168400, 170505, 181872, 189450, 194400, 202080, 204606, 227340, 252600, 272808, 284175, 303120, 336800, 341010, 363744, 378900, 409212, 454680, 505200, 511515, 545616, 568350, 606240, 682020, 757800, 818424, 852525, 909360, 1010400, 1023030, 1091232, 1136700, 1364040, 1515600, 1636848, 1705050, 1818720, 2046060, 2273400, 2557575, 2728080, 3031200, 3273696, 3410100, 4092120, 4546800, 5115150, 5456160, 6820200, 8184240, 9093600, 10230300, 13640400, 16368480, 20460600, 27280800, 40921200, 81842400]

約数ペア:

[(1, 81842400), (2, 40921200), (3, 27280800), (4, 20460600), (5, 16368480), (6, 13640400), (8, 10230300), (9, 9093600), (10, 8184240), (12, 6820200), (15, 5456160), (16, 5115150), (18, 4546800), (20, 4092120), (24, 3410100), (25, 3273696), (27, 3031200), (30, 2728080), (32, 2557575), (36, 2273400), (40, 2046060), (45, 1818720), (48, 1705050), (50, 1636848), (54, 1515600), (60, 1364040), (72, 1136700), (75, 1091232), (80, 1023030), (81, 1010400), (90, 909360), (96, 852525), (100, 818424), (108, 757800), (120, 682020), (135, 606240), (144, 568350), (150, 545616), (160, 511515), (162, 505200), (180, 454680), (200, 409212), (216, 378900), (225, 363744), (240, 341010), (243, 336800), (270, 303120), (288, 284175), (300, 272808), (324, 252600), (360, 227340), (400, 204606), (405, 202080), (421, 194400), (432, 189450), (450, 181872), (480, 170505), (486, 168400), (540, 151560), (600, 136404), (648, 126300), (675, 121248), (720, 113670), (800, 102303), (810, 101040), (842, 97200), (864, 94725), (900, 90936), (972, 84200), (1080, 75780), (1200, 68202), (1215, 67360), (1263, 64800), (1296, 63150), (1350, 60624), (1440, 56835), (1620, 50520), (1684, 48600), (1800, 45468), (1944, 42100), (2025, 40416), (2105, 38880), (2160, 37890), (2400, 34101), (2430, 33680), (2526, 32400), (2592, 31575), (2700, 30312), (3240, 25260), (3368, 24300), (3600, 22734), (3789, 21600), (3888, 21050), (4050, 20208), (4210, 19440), (4320, 18945), (4860, 16840), (5052, 16200), (5400, 15156), (6075, 13472), (6315, 12960), (6480, 12630), (6736, 12150), (7200, 11367), (7578, 10800), (7776, 10525), (8100, 10104), (8420, 9720)]