15894380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{317}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 35259840

約数和(自身を除く): 19365460

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 109, 115, 218, 230, 317, 436, 460, 545, 634, 1090, 1268, 1585, 2180, 2507, 3170, 5014, 6340, 7291, 10028, 12535, 14582, 25070, 29164, 34553, 36455, 50140, 69106, 72910, 138212, 145820, 172765, 345530, 691060, 794719, 1589438, 3178876, 3973595, 7947190, 15894380]

約数ペア:

[(1, 15894380), (2, 7947190), (4, 3973595), (5, 3178876), (10, 1589438), (20, 794719), (23, 691060), (46, 345530), (92, 172765), (109, 145820), (115, 138212), (218, 72910), (230, 69106), (317, 50140), (436, 36455), (460, 34553), (545, 29164), (634, 25070), (1090, 14582), (1268, 12535), (1585, 10028), (2180, 7291), (2507, 6340), (3170, 5014)]