1621817120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131641}}^1$

素因数の和:131674

約数の個数: 96

約数和(自身を含む): 4777024896

約数和(自身を除く): 3155207776

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1760, 2464, 3080, 6160, 12320, 131641, 263282, 526564, 658205, 921487, 1053128, 1316410, 1448051, 1842974, 2106256, 2632820, 2896102, 3685948, 4212512, 4607435, 5265640, 5792204, 7240255, 7371896, 9214870, 10136357, 10531280, 11584408, 14480510, 14743792, 18429740, 20272714, 21062560, 23168816, 28961020, 29487584, 36859480, 40545428, 46337632, 50681785, 57922040, 73718960, 81090856, 101363570, 115844080, 147437920, 162181712, 202727140, 231688160, 324363424, 405454280, 810908560, 1621817120]

約数ペア:

[(1, 1621817120), (2, 810908560), (4, 405454280), (5, 324363424), (7, 231688160), (8, 202727140), (10, 162181712), (11, 147437920), (14, 115844080), (16, 101363570), (20, 81090856), (22, 73718960), (28, 57922040), (32, 50681785), (35, 46337632), (40, 40545428), (44, 36859480), (55, 29487584), (56, 28961020), (70, 23168816), (77, 21062560), (80, 20272714), (88, 18429740), (110, 14743792), (112, 14480510), (140, 11584408), (154, 10531280), (160, 10136357), (176, 9214870), (220, 7371896), (224, 7240255), (280, 5792204), (308, 5265640), (352, 4607435), (385, 4212512), (440, 3685948), (560, 2896102), (616, 2632820), (770, 2106256), (880, 1842974), (1120, 1448051), (1232, 1316410), (1540, 1053128), (1760, 921487), (2464, 658205), (3080, 526564), (6160, 263282), (12320, 131641)]