28887840

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{743}}^1$

素因数の和:773

約数の個数: 144

約数和(自身を含む): 102368448

約数和(自身を除く): 73480608

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, 743, 810, 864, 972, 1080, 1215, 1296, 1440, 1486, 1620, 1944, 2160, 2229, 2430, 2592, 2972, 3240, 3715, 3888, 4320, 4458, 4860, 5944, 6480, 6687, 7430, 7776, 8916, 9720, 11145, 11888, 12960, 13374, 14860, 17832, 19440, 20061, 22290, 23776, 26748, 29720, 33435, 35664, 38880, 40122, 44580, 53496, 59440, 60183, 66870, 71328, 80244, 89160, 100305, 106992, 118880, 120366, 133740, 160488, 178320, 180549, 200610, 213984, 240732, 267480, 300915, 320976, 356640, 361098, 401220, 481464, 534960, 601830, 641952, 722196, 802440, 902745, 962928, 1069920, 1203660, 1444392, 1604880, 1805490, 1925856, 2407320, 2888784, 3209760, 3610980, 4814640, 5777568, 7221960, 9629280, 14443920, 28887840]

約数ペア:

[(1, 28887840), (2, 14443920), (3, 9629280), (4, 7221960), (5, 5777568), (6, 4814640), (8, 3610980), (9, 3209760), (10, 2888784), (12, 2407320), (15, 1925856), (16, 1805490), (18, 1604880), (20, 1444392), (24, 1203660), (27, 1069920), (30, 962928), (32, 902745), (36, 802440), (40, 722196), (45, 641952), (48, 601830), (54, 534960), (60, 481464), (72, 401220), (80, 361098), (81, 356640), (90, 320976), (96, 300915), (108, 267480), (120, 240732), (135, 213984), (144, 200610), (160, 180549), (162, 178320), (180, 160488), (216, 133740), (240, 120366), (243, 118880), (270, 106992), (288, 100305), (324, 89160), (360, 80244), (405, 71328), (432, 66870), (480, 60183), (486, 59440), (540, 53496), (648, 44580), (720, 40122), (743, 38880), (810, 35664), (864, 33435), (972, 29720), (1080, 26748), (1215, 23776), (1296, 22290), (1440, 20061), (1486, 19440), (1620, 17832), (1944, 14860), (2160, 13374), (2229, 12960), (2430, 11888), (2592, 11145), (2972, 9720), (3240, 8916), (3715, 7776), (3888, 7430), (4320, 6687), (4458, 6480), (4860, 5944)]