64254255

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 115906560

約数和(自身を除く): 51652305

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 79, 97, 129, 195, 215, 237, 291, 395, 485, 559, 645, 1027, 1185, 1261, 1455, 1677, 2795, 3081, 3397, 3783, 4171, 5135, 6305, 7663, 8385, 10191, 12513, 15405, 16985, 18915, 20855, 22989, 38315, 44161, 50955, 54223, 62565, 99619, 114945, 132483, 162669, 220805, 271115, 298857, 329509, 498095, 662415, 813345, 988527, 1494285, 1647545, 4283617, 4942635, 12850851, 21418085, 64254255]

約数ペア:

[(1, 64254255), (3, 21418085), (5, 12850851), (13, 4942635), (15, 4283617), (39, 1647545), (43, 1494285), (65, 988527), (79, 813345), (97, 662415), (129, 498095), (195, 329509), (215, 298857), (237, 271115), (291, 220805), (395, 162669), (485, 132483), (559, 114945), (645, 99619), (1027, 62565), (1185, 54223), (1261, 50955), (1455, 44161), (1677, 38315), (2795, 22989), (3081, 20855), (3397, 18915), (3783, 16985), (4171, 15405), (5135, 12513), (6305, 10191), (7663, 8385)]