217510380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{402797}}^1$

素因数の和:402815

約数の個数: 48

約数和(自身を含む): 676700640

約数和(自身を除く): 459190260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 402797, 805594, 1208391, 1611188, 2013985, 2416782, 3625173, 4027970, 4833564, 6041955, 7250346, 8055940, 10875519, 12083910, 14500692, 18125865, 21751038, 24167820, 36251730, 43502076, 54377595, 72503460, 108755190, 217510380]

約数ペア:

[(1, 217510380), (2, 108755190), (3, 72503460), (4, 54377595), (5, 43502076), (6, 36251730), (9, 24167820), (10, 21751038), (12, 18125865), (15, 14500692), (18, 12083910), (20, 10875519), (27, 8055940), (30, 7250346), (36, 6041955), (45, 4833564), (54, 4027970), (60, 3625173), (90, 2416782), (108, 2013985), (135, 1611188), (180, 1208391), (270, 805594), (540, 402797)]