51282720

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{1319}}^1$

素因数の和:1349

約数の個数: 144

約数和(自身を含む): 181621440

約数和(自身を除く): 130338720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 648, 720, 810, 864, 972, 1080, 1215, 1296, 1319, 1440, 1620, 1944, 2160, 2430, 2592, 2638, 3240, 3888, 3957, 4320, 4860, 5276, 6480, 6595, 7776, 7914, 9720, 10552, 11871, 12960, 13190, 15828, 19440, 19785, 21104, 23742, 26380, 31656, 35613, 38880, 39570, 42208, 47484, 52760, 59355, 63312, 71226, 79140, 94968, 105520, 106839, 118710, 126624, 142452, 158280, 178065, 189936, 211040, 213678, 237420, 284904, 316560, 320517, 356130, 379872, 427356, 474840, 534195, 569808, 633120, 641034, 712260, 854712, 949680, 1068390, 1139616, 1282068, 1424520, 1602585, 1709424, 1899360, 2136780, 2564136, 2849040, 3205170, 3418848, 4273560, 5128272, 5698080, 6410340, 8547120, 10256544, 12820680, 17094240, 25641360, 51282720]

約数ペア:

[(1, 51282720), (2, 25641360), (3, 17094240), (4, 12820680), (5, 10256544), (6, 8547120), (8, 6410340), (9, 5698080), (10, 5128272), (12, 4273560), (15, 3418848), (16, 3205170), (18, 2849040), (20, 2564136), (24, 2136780), (27, 1899360), (30, 1709424), (32, 1602585), (36, 1424520), (40, 1282068), (45, 1139616), (48, 1068390), (54, 949680), (60, 854712), (72, 712260), (80, 641034), (81, 633120), (90, 569808), (96, 534195), (108, 474840), (120, 427356), (135, 379872), (144, 356130), (160, 320517), (162, 316560), (180, 284904), (216, 237420), (240, 213678), (243, 211040), (270, 189936), (288, 178065), (324, 158280), (360, 142452), (405, 126624), (432, 118710), (480, 106839), (486, 105520), (540, 94968), (648, 79140), (720, 71226), (810, 63312), (864, 59355), (972, 52760), (1080, 47484), (1215, 42208), (1296, 39570), (1319, 38880), (1440, 35613), (1620, 31656), (1944, 26380), (2160, 23742), (2430, 21104), (2592, 19785), (2638, 19440), (3240, 15828), (3888, 13190), (3957, 12960), (4320, 11871), (4860, 10552), (5276, 9720), (6480, 7914), (6595, 7776)]