213207720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{161521}}^1$

素因数の和:161546

約数の個数: 64

約数和(自身を含む): 697775040

約数和(自身を除く): 484567320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 161521, 323042, 484563, 646084, 807605, 969126, 1292168, 1615210, 1776731, 1938252, 2422815, 3230420, 3553462, 3876504, 4845630, 5330193, 6460840, 7106924, 8883655, 9691260, 10660386, 14213848, 17767310, 19382520, 21320772, 26650965, 35534620, 42641544, 53301930, 71069240, 106603860, 213207720]

約数ペア:

[(1, 213207720), (2, 106603860), (3, 71069240), (4, 53301930), (5, 42641544), (6, 35534620), (8, 26650965), (10, 21320772), (11, 19382520), (12, 17767310), (15, 14213848), (20, 10660386), (22, 9691260), (24, 8883655), (30, 7106924), (33, 6460840), (40, 5330193), (44, 4845630), (55, 3876504), (60, 3553462), (66, 3230420), (88, 2422815), (110, 1938252), (120, 1776731), (132, 1615210), (165, 1292168), (220, 969126), (264, 807605), (330, 646084), (440, 484563), (660, 323042), (1320, 161521)]