777327840

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{19993}}^1$

素因数の和:20023

約数の個数: 144

約数和(自身を含む): 2751014448

約数和(自身を除く): 1973686608

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, 1440, 1620, 1944, 2160, 2430, 2592, 3240, 3888, 4320, 4860, 6480, 7776, 9720, 12960, 19440, 19993, 38880, 39986, 59979, 79972, 99965, 119958, 159944, 179937, 199930, 239916, 299895, 319888, 359874, 399860, 479832, 539811, 599790, 639776, 719748, 799720, 899685, 959664, 1079622, 1199580, 1439496, 1599440, 1619433, 1799370, 1919328, 2159244, 2399160, 2699055, 2878992, 3198880, 3238866, 3598740, 4318488, 4798320, 4858299, 5398110, 5757984, 6477732, 7197480, 8097165, 8636976, 9596640, 9716598, 10796220, 12955464, 14394960, 16194330, 17273952, 19433196, 21592440, 24291495, 25910928, 28789920, 32388660, 38866392, 43184880, 48582990, 51821856, 64777320, 77732784, 86369760, 97165980, 129554640, 155465568, 194331960, 259109280, 388663920, 777327840]

約数ペア:

[(1, 777327840), (2, 388663920), (3, 259109280), (4, 194331960), (5, 155465568), (6, 129554640), (8, 97165980), (9, 86369760), (10, 77732784), (12, 64777320), (15, 51821856), (16, 48582990), (18, 43184880), (20, 38866392), (24, 32388660), (27, 28789920), (30, 25910928), (32, 24291495), (36, 21592440), (40, 19433196), (45, 17273952), (48, 16194330), (54, 14394960), (60, 12955464), (72, 10796220), (80, 9716598), (81, 9596640), (90, 8636976), (96, 8097165), (108, 7197480), (120, 6477732), (135, 5757984), (144, 5398110), (160, 4858299), (162, 4798320), (180, 4318488), (216, 3598740), (240, 3238866), (243, 3198880), (270, 2878992), (288, 2699055), (324, 2399160), (360, 2159244), (405, 1919328), (432, 1799370), (480, 1619433), (486, 1599440), (540, 1439496), (648, 1199580), (720, 1079622), (810, 959664), (864, 899685), (972, 799720), (1080, 719748), (1215, 639776), (1296, 599790), (1440, 539811), (1620, 479832), (1944, 399860), (2160, 359874), (2430, 319888), (2592, 299895), (3240, 239916), (3888, 199930), (4320, 179937), (4860, 159944), (6480, 119958), (7776, 99965), (9720, 79972), (12960, 59979), (19440, 39986), (19993, 38880)]