748789920

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{19259}}^1$

素因数の和:19289

約数の個数: 144

約数和(自身を含む): 2650021920

約数和(自身を除く): 1901232000

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, 19259, 19440, 38518, 38880, 57777, 77036, 96295, 115554, 154072, 173331, 192590, 231108, 288885, 308144, 346662, 385180, 462216, 519993, 577770, 616288, 693324, 770360, 866655, 924432, 1039986, 1155540, 1386648, 1540720, 1559979, 1733310, 1848864, 2079972, 2311080, 2599965, 2773296, 3081440, 3119958, 3466620, 4159944, 4622160, 4679937, 5199930, 5546592, 6239916, 6933240, 7799895, 8319888, 9244320, 9359874, 10399860, 12479832, 13866480, 15599790, 16639776, 18719748, 20799720, 23399685, 24959664, 27732960, 31199580, 37439496, 41599440, 46799370, 49919328, 62399160, 74878992, 83198880, 93598740, 124798320, 149757984, 187197480, 249596640, 374394960, 748789920]

約数ペア:

[(1, 748789920), (2, 374394960), (3, 249596640), (4, 187197480), (5, 149757984), (6, 124798320), (8, 93598740), (9, 83198880), (10, 74878992), (12, 62399160), (15, 49919328), (16, 46799370), (18, 41599440), (20, 37439496), (24, 31199580), (27, 27732960), (30, 24959664), (32, 23399685), (36, 20799720), (40, 18719748), (45, 16639776), (48, 15599790), (54, 13866480), (60, 12479832), (72, 10399860), (80, 9359874), (81, 9244320), (90, 8319888), (96, 7799895), (108, 6933240), (120, 6239916), (135, 5546592), (144, 5199930), (160, 4679937), (162, 4622160), (180, 4159944), (216, 3466620), (240, 3119958), (243, 3081440), (270, 2773296), (288, 2599965), (324, 2311080), (360, 2079972), (405, 1848864), (432, 1733310), (480, 1559979), (486, 1540720), (540, 1386648), (648, 1155540), (720, 1039986), (810, 924432), (864, 866655), (972, 770360), (1080, 693324), (1215, 616288), (1296, 577770), (1440, 519993), (1620, 462216), (1944, 385180), (2160, 346662), (2430, 308144), (2592, 288885), (3240, 231108), (3888, 192590), (4320, 173331), (4860, 154072), (6480, 115554), (7776, 96295), (9720, 77036), (12960, 57777), (19259, 38880), (19440, 38518)]