1821660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{313}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 5169696

約数和(自身を除く): 3348036

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 313, 388, 485, 582, 626, 939, 970, 1164, 1252, 1455, 1565, 1878, 1940, 2910, 3130, 3756, 4695, 5820, 6260, 9390, 18780, 30361, 60722, 91083, 121444, 151805, 182166, 303610, 364332, 455415, 607220, 910830, 1821660]

約数ペア:

[(1, 1821660), (2, 910830), (3, 607220), (4, 455415), (5, 364332), (6, 303610), (10, 182166), (12, 151805), (15, 121444), (20, 91083), (30, 60722), (60, 30361), (97, 18780), (194, 9390), (291, 6260), (313, 5820), (388, 4695), (485, 3756), (582, 3130), (626, 2910), (939, 1940), (970, 1878), (1164, 1565), (1252, 1455)]