218370880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7499}}^1$

素因数の和:7536

約数の個数: 112

約数和(自身を含む): 640080000

約数和(自身を除く): 421709120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 728, 832, 910, 1040, 1120, 1456, 1820, 2080, 2240, 2912, 3640, 4160, 5824, 7280, 7499, 14560, 14998, 29120, 29996, 37495, 52493, 59992, 74990, 97487, 104986, 119984, 149980, 194974, 209972, 239968, 262465, 299960, 389948, 419944, 479936, 487435, 524930, 599920, 682409, 779896, 839888, 974870, 1049860, 1199840, 1364818, 1559792, 1679776, 1949740, 2099720, 2399680, 2729636, 3119584, 3359552, 3412045, 3899480, 4199440, 5459272, 6239168, 6824090, 7798960, 8398880, 10918544, 13648180, 15597920, 16797760, 21837088, 27296360, 31195840, 43674176, 54592720, 109185440, 218370880]

約数ペア:

[(1, 218370880), (2, 109185440), (4, 54592720), (5, 43674176), (7, 31195840), (8, 27296360), (10, 21837088), (13, 16797760), (14, 15597920), (16, 13648180), (20, 10918544), (26, 8398880), (28, 7798960), (32, 6824090), (35, 6239168), (40, 5459272), (52, 4199440), (56, 3899480), (64, 3412045), (65, 3359552), (70, 3119584), (80, 2729636), (91, 2399680), (104, 2099720), (112, 1949740), (130, 1679776), (140, 1559792), (160, 1364818), (182, 1199840), (208, 1049860), (224, 974870), (260, 839888), (280, 779896), (320, 682409), (364, 599920), (416, 524930), (448, 487435), (455, 479936), (520, 419944), (560, 389948), (728, 299960), (832, 262465), (910, 239968), (1040, 209972), (1120, 194974), (1456, 149980), (1820, 119984), (2080, 104986), (2240, 97487), (2912, 74990), (3640, 59992), (4160, 52493), (5824, 37495), (7280, 29996), (7499, 29120), (14560, 14998)]