8184240

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{421}}^1$

素因数の和:449

約数の個数: 120

約数和(自身を含む): 28571088

約数和(自身を除く): 20386848

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 421, 432, 486, 540, 648, 720, 810, 842, 972, 1080, 1215, 1263, 1296, 1620, 1684, 1944, 2105, 2160, 2430, 2526, 3240, 3368, 3789, 3888, 4210, 4860, 5052, 6315, 6480, 6736, 7578, 8420, 9720, 10104, 11367, 12630, 15156, 16840, 18945, 19440, 20208, 22734, 25260, 30312, 33680, 34101, 37890, 45468, 50520, 56835, 60624, 68202, 75780, 90936, 101040, 102303, 113670, 136404, 151560, 170505, 181872, 204606, 227340, 272808, 303120, 341010, 409212, 454680, 511515, 545616, 682020, 818424, 909360, 1023030, 1364040, 1636848, 2046060, 2728080, 4092120, 8184240]

約数ペア:

[(1, 8184240), (2, 4092120), (3, 2728080), (4, 2046060), (5, 1636848), (6, 1364040), (8, 1023030), (9, 909360), (10, 818424), (12, 682020), (15, 545616), (16, 511515), (18, 454680), (20, 409212), (24, 341010), (27, 303120), (30, 272808), (36, 227340), (40, 204606), (45, 181872), (48, 170505), (54, 151560), (60, 136404), (72, 113670), (80, 102303), (81, 101040), (90, 90936), (108, 75780), (120, 68202), (135, 60624), (144, 56835), (162, 50520), (180, 45468), (216, 37890), (240, 34101), (243, 33680), (270, 30312), (324, 25260), (360, 22734), (405, 20208), (421, 19440), (432, 18945), (486, 16840), (540, 15156), (648, 12630), (720, 11367), (810, 10104), (842, 9720), (972, 8420), (1080, 7578), (1215, 6736), (1263, 6480), (1296, 6315), (1620, 5052), (1684, 4860), (1944, 4210), (2105, 3888), (2160, 3789), (2430, 3368), (2526, 3240)]