68210505

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:340

約数の個数: 80

約数和(自身を含む): 136116288

約数和(自身を除く): 67905783

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 61, 81, 99, 135, 165, 183, 251, 297, 305, 405, 495, 549, 671, 753, 891, 915, 1255, 1485, 1647, 2013, 2259, 2745, 2761, 3355, 3765, 4455, 4941, 6039, 6777, 8235, 8283, 10065, 11295, 13805, 15311, 18117, 20331, 24705, 24849, 30195, 33885, 41415, 45933, 54351, 74547, 76555, 90585, 101655, 124245, 137799, 168421, 223641, 229665, 271755, 372735, 413397, 505263, 688995, 842105, 1118205, 1240191, 1515789, 2066985, 2526315, 4547367, 6200955, 7578945, 13642101, 22736835, 68210505]

約数ペア:

[(1, 68210505), (3, 22736835), (5, 13642101), (9, 7578945), (11, 6200955), (15, 4547367), (27, 2526315), (33, 2066985), (45, 1515789), (55, 1240191), (61, 1118205), (81, 842105), (99, 688995), (135, 505263), (165, 413397), (183, 372735), (251, 271755), (297, 229665), (305, 223641), (405, 168421), (495, 137799), (549, 124245), (671, 101655), (753, 90585), (891, 76555), (915, 74547), (1255, 54351), (1485, 45933), (1647, 41415), (2013, 33885), (2259, 30195), (2745, 24849), (2761, 24705), (3355, 20331), (3765, 18117), (4455, 15311), (4941, 13805), (6039, 11295), (6777, 10065), (8235, 8283)]