660814728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{15671}}^1$

素因数の和:15938

約数の個数: 64

約数和(自身を含む): 1895685120

約数和(自身を除く): 1234870392

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 251, 502, 753, 1004, 1506, 1757, 2008, 3012, 3514, 5271, 6024, 7028, 10542, 14056, 15671, 21084, 31342, 42168, 47013, 62684, 94026, 109697, 125368, 188052, 219394, 329091, 376104, 438788, 658182, 877576, 1316364, 2632728, 3933421, 7866842, 11800263, 15733684, 23600526, 27533947, 31467368, 47201052, 55067894, 82601841, 94402104, 110135788, 165203682, 220271576, 330407364, 660814728]

約数ペア:

[(1, 660814728), (2, 330407364), (3, 220271576), (4, 165203682), (6, 110135788), (7, 94402104), (8, 82601841), (12, 55067894), (14, 47201052), (21, 31467368), (24, 27533947), (28, 23600526), (42, 15733684), (56, 11800263), (84, 7866842), (168, 3933421), (251, 2632728), (502, 1316364), (753, 877576), (1004, 658182), (1506, 438788), (1757, 376104), (2008, 329091), (3012, 219394), (3514, 188052), (5271, 125368), (6024, 109697), (7028, 94026), (10542, 62684), (14056, 47013), (15671, 42168), (21084, 31342)]