66565005

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 120960000

約数和(自身を除く): 54394995

約数列:

[1, 3, 5, 13, 15, 29, 39, 65, 79, 87, 145, 149, 195, 237, 377, 395, 435, 447, 745, 1027, 1131, 1185, 1885, 1937, 2235, 2291, 3081, 4321, 5135, 5655, 5811, 6873, 9685, 11455, 11771, 12963, 15405, 21605, 29055, 29783, 34365, 35313, 56173, 58855, 64815, 89349, 148915, 153023, 168519, 176565, 280865, 341359, 446745, 459069, 765115, 842595, 1024077, 1706795, 2295345, 4437667, 5120385, 13313001, 22188335, 66565005]

約数ペア:

[(1, 66565005), (3, 22188335), (5, 13313001), (13, 5120385), (15, 4437667), (29, 2295345), (39, 1706795), (65, 1024077), (79, 842595), (87, 765115), (145, 459069), (149, 446745), (195, 341359), (237, 280865), (377, 176565), (395, 168519), (435, 153023), (447, 148915), (745, 89349), (1027, 64815), (1131, 58855), (1185, 56173), (1885, 35313), (1937, 34365), (2235, 29783), (2291, 29055), (3081, 21605), (4321, 15405), (5135, 12963), (5655, 11771), (5811, 11455), (6873, 9685)]