16764540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21493}}^1$

素因数の和:21518

約数の個数: 48

約数和(自身を含む): 50553888

約数和(自身を除く): 33789348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 21493, 42986, 64479, 85972, 107465, 128958, 214930, 257916, 279409, 322395, 429860, 558818, 644790, 838227, 1117636, 1289580, 1397045, 1676454, 2794090, 3352908, 4191135, 5588180, 8382270, 16764540]

約数ペア:

[(1, 16764540), (2, 8382270), (3, 5588180), (4, 4191135), (5, 3352908), (6, 2794090), (10, 1676454), (12, 1397045), (13, 1289580), (15, 1117636), (20, 838227), (26, 644790), (30, 558818), (39, 429860), (52, 322395), (60, 279409), (65, 257916), (78, 214930), (130, 128958), (156, 107465), (195, 85972), (260, 64479), (390, 42986), (780, 21493)]