664861380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{31391}}^1$

素因数の和:31756

約数の個数: 48

約数和(自身を含む): 1866945024

約数和(自身を除く): 1202083644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 353, 706, 1059, 1412, 1765, 2118, 3530, 4236, 5295, 7060, 10590, 21180, 31391, 62782, 94173, 125564, 156955, 188346, 313910, 376692, 470865, 627820, 941730, 1883460, 11081023, 22162046, 33243069, 44324092, 55405115, 66486138, 110810230, 132972276, 166215345, 221620460, 332430690, 664861380]

約数ペア:

[(1, 664861380), (2, 332430690), (3, 221620460), (4, 166215345), (5, 132972276), (6, 110810230), (10, 66486138), (12, 55405115), (15, 44324092), (20, 33243069), (30, 22162046), (60, 11081023), (353, 1883460), (706, 941730), (1059, 627820), (1412, 470865), (1765, 376692), (2118, 313910), (3530, 188346), (4236, 156955), (5295, 125564), (7060, 94173), (10590, 62782), (21180, 31391)]