672020115

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{2777}}^1$

素因数の和:2888

約数の個数: 64

約数和(自身を含む): 1243299456

約数和(自身を除く): 571279341

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 73, 85, 195, 219, 221, 255, 365, 663, 949, 1095, 1105, 1241, 2777, 2847, 3315, 3723, 4745, 6205, 8331, 13885, 14235, 16133, 18615, 36101, 41655, 47209, 48399, 80665, 108303, 141627, 180505, 202721, 236045, 241995, 541515, 608163, 613717, 708135, 1013605, 1841151, 2635373, 3040815, 3068585, 3446257, 7906119, 9205755, 10338771, 13176865, 17231285, 39530595, 44801341, 51693855, 134404023, 224006705, 672020115]

約数ペア:

[(1, 672020115), (3, 224006705), (5, 134404023), (13, 51693855), (15, 44801341), (17, 39530595), (39, 17231285), (51, 13176865), (65, 10338771), (73, 9205755), (85, 7906119), (195, 3446257), (219, 3068585), (221, 3040815), (255, 2635373), (365, 1841151), (663, 1013605), (949, 708135), (1095, 613717), (1105, 608163), (1241, 541515), (2777, 241995), (2847, 236045), (3315, 202721), (3723, 180505), (4745, 141627), (6205, 108303), (8331, 80665), (13885, 48399), (14235, 47209), (16133, 41655), (18615, 36101)]