644924808

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3823}}^1$

素因数の和:3920

約数の個数: 128

約数和(自身を含む): 1982361600

約数和(自身を除く): 1337436792

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 71, 72, 88, 99, 108, 132, 142, 198, 213, 216, 264, 284, 297, 396, 426, 568, 594, 639, 781, 792, 852, 1188, 1278, 1562, 1704, 1917, 2343, 2376, 2556, 3124, 3823, 3834, 4686, 5112, 6248, 7029, 7646, 7668, 9372, 11469, 14058, 15292, 15336, 18744, 21087, 22938, 28116, 30584, 34407, 42053, 42174, 45876, 56232, 68814, 84106, 84348, 91752, 103221, 126159, 137628, 168212, 168696, 206442, 252318, 271433, 275256, 336424, 378477, 412884, 504636, 542866, 756954, 814299, 825768, 1009272, 1085732, 1135431, 1513908, 1628598, 2171464, 2270862, 2442897, 2985763, 3027816, 3257196, 4541724, 4885794, 5971526, 6514392, 7328691, 8957289, 9083448, 9771588, 11943052, 14657382, 17914578, 19543176, 23886104, 26871867, 29314764, 35829156, 53743734, 58629528, 71658312, 80615601, 107487468, 161231202, 214974936, 322462404, 644924808]

約数ペア:

[(1, 644924808), (2, 322462404), (3, 214974936), (4, 161231202), (6, 107487468), (8, 80615601), (9, 71658312), (11, 58629528), (12, 53743734), (18, 35829156), (22, 29314764), (24, 26871867), (27, 23886104), (33, 19543176), (36, 17914578), (44, 14657382), (54, 11943052), (66, 9771588), (71, 9083448), (72, 8957289), (88, 7328691), (99, 6514392), (108, 5971526), (132, 4885794), (142, 4541724), (198, 3257196), (213, 3027816), (216, 2985763), (264, 2442897), (284, 2270862), (297, 2171464), (396, 1628598), (426, 1513908), (568, 1135431), (594, 1085732), (639, 1009272), (781, 825768), (792, 814299), (852, 756954), (1188, 542866), (1278, 504636), (1562, 412884), (1704, 378477), (1917, 336424), (2343, 275256), (2376, 271433), (2556, 252318), (3124, 206442), (3823, 168696), (3834, 168212), (4686, 137628), (5112, 126159), (6248, 103221), (7029, 91752), (7646, 84348), (7668, 84106), (9372, 68814), (11469, 56232), (14058, 45876), (15292, 42174), (15336, 42053), (18744, 34407), (21087, 30584), (22938, 28116)]