81719280

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{12611}}^1$

素因数の和:12636

約数の個数: 100

約数和(自身を含む): 283845672

約数和(自身を除く): 202126392

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, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 12611, 25222, 37833, 50444, 63055, 75666, 100888, 113499, 126110, 151332, 189165, 201776, 226998, 252220, 302664, 340497, 378330, 453996, 504440, 567495, 605328, 680994, 756660, 907992, 1008880, 1021491, 1134990, 1361988, 1513320, 1702485, 1815984, 2042982, 2269980, 2723976, 3026640, 3404970, 4085964, 4539960, 5107455, 5447952, 6809940, 8171928, 9079920, 10214910, 13619880, 16343856, 20429820, 27239760, 40859640, 81719280]

約数ペア:

[(1, 81719280), (2, 40859640), (3, 27239760), (4, 20429820), (5, 16343856), (6, 13619880), (8, 10214910), (9, 9079920), (10, 8171928), (12, 6809940), (15, 5447952), (16, 5107455), (18, 4539960), (20, 4085964), (24, 3404970), (27, 3026640), (30, 2723976), (36, 2269980), (40, 2042982), (45, 1815984), (48, 1702485), (54, 1513320), (60, 1361988), (72, 1134990), (80, 1021491), (81, 1008880), (90, 907992), (108, 756660), (120, 680994), (135, 605328), (144, 567495), (162, 504440), (180, 453996), (216, 378330), (240, 340497), (270, 302664), (324, 252220), (360, 226998), (405, 201776), (432, 189165), (540, 151332), (648, 126110), (720, 113499), (810, 100888), (1080, 75666), (1296, 63055), (1620, 50444), (2160, 37833), (3240, 25222), (6480, 12611)]