2131380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{3947}}^1$

素因数の和:3965

約数の個数: 48

約数和(自身を含む): 6632640

約数和(自身を除く): 4501260

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, 3947, 7894, 11841, 15788, 19735, 23682, 35523, 39470, 47364, 59205, 71046, 78940, 106569, 118410, 142092, 177615, 213138, 236820, 355230, 426276, 532845, 710460, 1065690, 2131380]

約数ペア:

[(1, 2131380), (2, 1065690), (3, 710460), (4, 532845), (5, 426276), (6, 355230), (9, 236820), (10, 213138), (12, 177615), (15, 142092), (18, 118410), (20, 106569), (27, 78940), (30, 71046), (36, 59205), (45, 47364), (54, 39470), (60, 35523), (90, 23682), (108, 19735), (135, 15788), (180, 11841), (270, 7894), (540, 3947)]