1215709980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1217}}^1\times {\mathrm{16649}}^1$

素因数の和:17878

約数の個数: 48

約数和(自身を含む): 3406989600

約数和(自身を除く): 2191279620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1217, 2434, 3651, 4868, 6085, 7302, 12170, 14604, 16649, 18255, 24340, 33298, 36510, 49947, 66596, 73020, 83245, 99894, 166490, 199788, 249735, 332980, 499470, 998940, 20261833, 40523666, 60785499, 81047332, 101309165, 121570998, 202618330, 243141996, 303927495, 405236660, 607854990, 1215709980]

約数ペア:

[(1, 1215709980), (2, 607854990), (3, 405236660), (4, 303927495), (5, 243141996), (6, 202618330), (10, 121570998), (12, 101309165), (15, 81047332), (20, 60785499), (30, 40523666), (60, 20261833), (1217, 998940), (2434, 499470), (3651, 332980), (4868, 249735), (6085, 199788), (7302, 166490), (12170, 99894), (14604, 83245), (16649, 73020), (18255, 66596), (24340, 49947), (33298, 36510)]