221785920

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1453}}^1$

素因数の和:1529

約数の個数: 168

約数和(自身を含む): 777779496

約数和(自身を除く): 555993576

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 64, 72, 80, 90, 96, 106, 120, 144, 159, 160, 180, 192, 212, 240, 265, 288, 318, 320, 360, 424, 477, 480, 530, 576, 636, 720, 795, 848, 954, 960, 1060, 1272, 1440, 1453, 1590, 1696, 1908, 2120, 2385, 2544, 2880, 2906, 3180, 3392, 3816, 4240, 4359, 4770, 5088, 5812, 6360, 7265, 7632, 8480, 8718, 9540, 10176, 11624, 12720, 13077, 14530, 15264, 16960, 17436, 19080, 21795, 23248, 25440, 26154, 29060, 30528, 34872, 38160, 43590, 46496, 50880, 52308, 58120, 65385, 69744, 76320, 77009, 87180, 92992, 104616, 116240, 130770, 139488, 152640, 154018, 174360, 209232, 231027, 232480, 261540, 278976, 308036, 348720, 385045, 418464, 462054, 464960, 523080, 616072, 693081, 697440, 770090, 836928, 924108, 1046160, 1155135, 1232144, 1386162, 1394880, 1540180, 1848216, 2092320, 2310270, 2464288, 2772324, 3080360, 3465405, 3696432, 4184640, 4620540, 4928576, 5544648, 6160720, 6930810, 7392864, 9241080, 11089296, 12321440, 13861620, 14785728, 18482160, 22178592, 24642880, 27723240, 36964320, 44357184, 55446480, 73928640, 110892960, 221785920]

約数ペア:

[(1, 221785920), (2, 110892960), (3, 73928640), (4, 55446480), (5, 44357184), (6, 36964320), (8, 27723240), (9, 24642880), (10, 22178592), (12, 18482160), (15, 14785728), (16, 13861620), (18, 12321440), (20, 11089296), (24, 9241080), (30, 7392864), (32, 6930810), (36, 6160720), (40, 5544648), (45, 4928576), (48, 4620540), (53, 4184640), (60, 3696432), (64, 3465405), (72, 3080360), (80, 2772324), (90, 2464288), (96, 2310270), (106, 2092320), (120, 1848216), (144, 1540180), (159, 1394880), (160, 1386162), (180, 1232144), (192, 1155135), (212, 1046160), (240, 924108), (265, 836928), (288, 770090), (318, 697440), (320, 693081), (360, 616072), (424, 523080), (477, 464960), (480, 462054), (530, 418464), (576, 385045), (636, 348720), (720, 308036), (795, 278976), (848, 261540), (954, 232480), (960, 231027), (1060, 209232), (1272, 174360), (1440, 154018), (1453, 152640), (1590, 139488), (1696, 130770), (1908, 116240), (2120, 104616), (2385, 92992), (2544, 87180), (2880, 77009), (2906, 76320), (3180, 69744), (3392, 65385), (3816, 58120), (4240, 52308), (4359, 50880), (4770, 46496), (5088, 43590), (5812, 38160), (6360, 34872), (7265, 30528), (7632, 29060), (8480, 26154), (8718, 25440), (9540, 23248), (10176, 21795), (11624, 19080), (12720, 17436), (13077, 16960), (14530, 15264)]