68078745

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1181}}^1$

素因数の和:1263

約数の個数: 64

約数和(自身を含む): 140705280

約数和(自身を除く): 72626535

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 61, 63, 105, 135, 183, 189, 305, 315, 427, 549, 915, 945, 1181, 1281, 1647, 2135, 2745, 3543, 3843, 5905, 6405, 8235, 8267, 10629, 11529, 17715, 19215, 24801, 31887, 41335, 53145, 57645, 72041, 74403, 124005, 159435, 216123, 223209, 360205, 372015, 504287, 648369, 1080615, 1116045, 1512861, 1945107, 2521435, 3241845, 4538583, 7564305, 9725535, 13615749, 22692915, 68078745]

約数ペア:

[(1, 68078745), (3, 22692915), (5, 13615749), (7, 9725535), (9, 7564305), (15, 4538583), (21, 3241845), (27, 2521435), (35, 1945107), (45, 1512861), (61, 1116045), (63, 1080615), (105, 648369), (135, 504287), (183, 372015), (189, 360205), (305, 223209), (315, 216123), (427, 159435), (549, 124005), (915, 74403), (945, 72041), (1181, 57645), (1281, 53145), (1647, 41335), (2135, 31887), (2745, 24801), (3543, 19215), (3843, 17715), (5905, 11529), (6405, 10629), (8235, 8267)]