72061808

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1151}}^1$

素因数の和:1222

約数の個数: 80

約数和(自身を含む): 175988736

約数和(自身を除く): 103926928

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 43, 52, 56, 86, 91, 104, 112, 172, 182, 208, 301, 344, 364, 559, 602, 688, 728, 1118, 1151, 1204, 1456, 2236, 2302, 2408, 3913, 4472, 4604, 4816, 7826, 8057, 8944, 9208, 14963, 15652, 16114, 18416, 29926, 31304, 32228, 49493, 59852, 62608, 64456, 98986, 104741, 119704, 128912, 197972, 209482, 239408, 346451, 395944, 418964, 643409, 692902, 791888, 837928, 1286818, 1385804, 1675856, 2573636, 2771608, 4503863, 5147272, 5543216, 9007726, 10294544, 18015452, 36030904, 72061808]

約数ペア:

[(1, 72061808), (2, 36030904), (4, 18015452), (7, 10294544), (8, 9007726), (13, 5543216), (14, 5147272), (16, 4503863), (26, 2771608), (28, 2573636), (43, 1675856), (52, 1385804), (56, 1286818), (86, 837928), (91, 791888), (104, 692902), (112, 643409), (172, 418964), (182, 395944), (208, 346451), (301, 239408), (344, 209482), (364, 197972), (559, 128912), (602, 119704), (688, 104741), (728, 98986), (1118, 64456), (1151, 62608), (1204, 59852), (1456, 49493), (2236, 32228), (2302, 31304), (2408, 29926), (3913, 18416), (4472, 16114), (4604, 15652), (4816, 14963), (7826, 9208), (8057, 8944)]