161557368

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{463}}^1$

素因数の和:577

約数の個数: 128

約数和(自身を含む): 484638720

約数和(自身を除く): 323081352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 67, 84, 93, 124, 134, 168, 186, 201, 217, 248, 268, 372, 402, 434, 463, 469, 536, 651, 744, 804, 868, 926, 938, 1302, 1389, 1407, 1608, 1736, 1852, 1876, 2077, 2604, 2778, 2814, 3241, 3704, 3752, 4154, 5208, 5556, 5628, 6231, 6482, 8308, 9723, 11112, 11256, 12462, 12964, 14353, 14539, 16616, 19446, 24924, 25928, 28706, 29078, 31021, 38892, 43059, 43617, 49848, 57412, 58156, 62042, 77784, 86118, 87234, 93063, 100471, 114824, 116312, 124084, 172236, 174468, 186126, 200942, 217147, 248168, 301413, 344472, 348936, 372252, 401884, 434294, 602826, 651441, 744504, 803768, 868588, 961651, 1205652, 1302882, 1737176, 1923302, 2411304, 2605764, 2884953, 3846604, 5211528, 5769906, 6731557, 7693208, 11539812, 13463114, 20194671, 23079624, 26926228, 40389342, 53852456, 80778684, 161557368]

約数ペア:

[(1, 161557368), (2, 80778684), (3, 53852456), (4, 40389342), (6, 26926228), (7, 23079624), (8, 20194671), (12, 13463114), (14, 11539812), (21, 7693208), (24, 6731557), (28, 5769906), (31, 5211528), (42, 3846604), (56, 2884953), (62, 2605764), (67, 2411304), (84, 1923302), (93, 1737176), (124, 1302882), (134, 1205652), (168, 961651), (186, 868588), (201, 803768), (217, 744504), (248, 651441), (268, 602826), (372, 434294), (402, 401884), (434, 372252), (463, 348936), (469, 344472), (536, 301413), (651, 248168), (744, 217147), (804, 200942), (868, 186126), (926, 174468), (938, 172236), (1302, 124084), (1389, 116312), (1407, 114824), (1608, 100471), (1736, 93063), (1852, 87234), (1876, 86118), (2077, 77784), (2604, 62042), (2778, 58156), (2814, 57412), (3241, 49848), (3704, 43617), (3752, 43059), (4154, 38892), (5208, 31021), (5556, 29078), (5628, 28706), (6231, 25928), (6482, 24924), (8308, 19446), (9723, 16616), (11112, 14539), (11256, 14353), (12462, 12964)]