51729840

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{887}}^1$

素因数の和:918

約数の個数: 140

約数和(自身を含む): 180528624

約数和(自身を除く): 128798784

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, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 729, 810, 887, 972, 1080, 1215, 1296, 1458, 1620, 1774, 1944, 2160, 2430, 2661, 2916, 3240, 3548, 3645, 3888, 4435, 4860, 5322, 5832, 6480, 7096, 7290, 7983, 8870, 9720, 10644, 11664, 13305, 14192, 14580, 15966, 17740, 19440, 21288, 23949, 26610, 29160, 31932, 35480, 39915, 42576, 47898, 53220, 58320, 63864, 70960, 71847, 79830, 95796, 106440, 119745, 127728, 143694, 159660, 191592, 212880, 215541, 239490, 287388, 319320, 359235, 383184, 431082, 478980, 574776, 638640, 646623, 718470, 862164, 957960, 1077705, 1149552, 1293246, 1436940, 1724328, 1915920, 2155410, 2586492, 2873880, 3233115, 3448656, 4310820, 5172984, 5747760, 6466230, 8621640, 10345968, 12932460, 17243280, 25864920, 51729840]

約数ペア:

[(1, 51729840), (2, 25864920), (3, 17243280), (4, 12932460), (5, 10345968), (6, 8621640), (8, 6466230), (9, 5747760), (10, 5172984), (12, 4310820), (15, 3448656), (16, 3233115), (18, 2873880), (20, 2586492), (24, 2155410), (27, 1915920), (30, 1724328), (36, 1436940), (40, 1293246), (45, 1149552), (48, 1077705), (54, 957960), (60, 862164), (72, 718470), (80, 646623), (81, 638640), (90, 574776), (108, 478980), (120, 431082), (135, 383184), (144, 359235), (162, 319320), (180, 287388), (216, 239490), (240, 215541), (243, 212880), (270, 191592), (324, 159660), (360, 143694), (405, 127728), (432, 119745), (486, 106440), (540, 95796), (648, 79830), (720, 71847), (729, 70960), (810, 63864), (887, 58320), (972, 53220), (1080, 47898), (1215, 42576), (1296, 39915), (1458, 35480), (1620, 31932), (1774, 29160), (1944, 26610), (2160, 23949), (2430, 21288), (2661, 19440), (2916, 17740), (3240, 15966), (3548, 14580), (3645, 14192), (3888, 13305), (4435, 11664), (4860, 10644), (5322, 9720), (5832, 8870), (6480, 7983), (7096, 7290)]