1285163960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:501

約数の個数: 128

約数和(自身を含む): 3153945600

約数和(自身を除く): 1868781640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 59, 68, 85, 103, 118, 136, 170, 206, 236, 295, 311, 340, 412, 472, 515, 590, 622, 680, 824, 1003, 1030, 1180, 1244, 1555, 1751, 2006, 2060, 2360, 2488, 3110, 3502, 4012, 4120, 5015, 5287, 6077, 6220, 7004, 8024, 8755, 10030, 10574, 12154, 12440, 14008, 17510, 18349, 20060, 21148, 24308, 26435, 30385, 32033, 35020, 36698, 40120, 42296, 48616, 52870, 60770, 64066, 70040, 73396, 91745, 103309, 105740, 121540, 128132, 146792, 160165, 183490, 206618, 211480, 243080, 256264, 311933, 320330, 366980, 413236, 516545, 544561, 623866, 640660, 733960, 826472, 1033090, 1089122, 1247732, 1281320, 1559665, 1889947, 2066180, 2178244, 2495464, 2722805, 3119330, 3779894, 4132360, 4356488, 5445610, 6238660, 7559788, 9449735, 10891220, 12477320, 15119576, 18899470, 21782440, 32129099, 37798940, 64258198, 75597880, 128516396, 160645495, 257032792, 321290990, 642581980, 1285163960]

約数ペア:

[(1, 1285163960), (2, 642581980), (4, 321290990), (5, 257032792), (8, 160645495), (10, 128516396), (17, 75597880), (20, 64258198), (34, 37798940), (40, 32129099), (59, 21782440), (68, 18899470), (85, 15119576), (103, 12477320), (118, 10891220), (136, 9449735), (170, 7559788), (206, 6238660), (236, 5445610), (295, 4356488), (311, 4132360), (340, 3779894), (412, 3119330), (472, 2722805), (515, 2495464), (590, 2178244), (622, 2066180), (680, 1889947), (824, 1559665), (1003, 1281320), (1030, 1247732), (1180, 1089122), (1244, 1033090), (1555, 826472), (1751, 733960), (2006, 640660), (2060, 623866), (2360, 544561), (2488, 516545), (3110, 413236), (3502, 366980), (4012, 320330), (4120, 311933), (5015, 256264), (5287, 243080), (6077, 211480), (6220, 206618), (7004, 183490), (8024, 160165), (8755, 146792), (10030, 128132), (10574, 121540), (12154, 105740), (12440, 103309), (14008, 91745), (17510, 73396), (18349, 70040), (20060, 64066), (21148, 60770), (24308, 52870), (26435, 48616), (30385, 42296), (32033, 40120), (35020, 36698)]