68740308

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20983}}^1$

素因数の和:21013

約数の個数: 72

約数和(自身を含む): 213868928

約数和(自身を除く): 145128620

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 20983, 41966, 62949, 83932, 125898, 146881, 188847, 251796, 272779, 293762, 377694, 440643, 545558, 587524, 755388, 818337, 881286, 1091116, 1321929, 1636674, 1762572, 1909453, 2455011, 2643858, 3273348, 3818906, 4910022, 5287716, 5728359, 7637812, 9820044, 11456718, 17185077, 22913436, 34370154, 68740308]

約数ペア:

[(1, 68740308), (2, 34370154), (3, 22913436), (4, 17185077), (6, 11456718), (7, 9820044), (9, 7637812), (12, 5728359), (13, 5287716), (14, 4910022), (18, 3818906), (21, 3273348), (26, 2643858), (28, 2455011), (36, 1909453), (39, 1762572), (42, 1636674), (52, 1321929), (63, 1091116), (78, 881286), (84, 818337), (91, 755388), (117, 587524), (126, 545558), (156, 440643), (182, 377694), (234, 293762), (252, 272779), (273, 251796), (364, 188847), (468, 146881), (546, 125898), (819, 83932), (1092, 62949), (1638, 41966), (3276, 20983)]