71199440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{307}}^1$

素因数の和:556

約数の個数: 80

約数和(自身を含む): 179655168

約数和(自身を除く): 108455728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 223, 260, 307, 446, 520, 614, 892, 1040, 1115, 1228, 1535, 1784, 2230, 2456, 2899, 3070, 3568, 3991, 4460, 4912, 5798, 6140, 7982, 8920, 11596, 12280, 14495, 15964, 17840, 19955, 23192, 24560, 28990, 31928, 39910, 46384, 57980, 63856, 68461, 79820, 115960, 136922, 159640, 231920, 273844, 319280, 342305, 547688, 684610, 889993, 1095376, 1369220, 1779986, 2738440, 3559972, 4449965, 5476880, 7119944, 8899930, 14239888, 17799860, 35599720, 71199440]

約数ペア:

[(1, 71199440), (2, 35599720), (4, 17799860), (5, 14239888), (8, 8899930), (10, 7119944), (13, 5476880), (16, 4449965), (20, 3559972), (26, 2738440), (40, 1779986), (52, 1369220), (65, 1095376), (80, 889993), (104, 684610), (130, 547688), (208, 342305), (223, 319280), (260, 273844), (307, 231920), (446, 159640), (520, 136922), (614, 115960), (892, 79820), (1040, 68461), (1115, 63856), (1228, 57980), (1535, 46384), (1784, 39910), (2230, 31928), (2456, 28990), (2899, 24560), (3070, 23192), (3568, 19955), (3991, 17840), (4460, 15964), (4912, 14495), (5798, 12280), (6140, 11596), (7982, 8920)]