87341240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1$

素因数の和:405

約数の個数: 128

約数和(自身を含む): 242611200

約数和(自身を除く): 155269960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 59, 68, 70, 85, 118, 119, 136, 140, 170, 236, 238, 280, 295, 311, 340, 413, 472, 476, 590, 595, 622, 680, 826, 952, 1003, 1180, 1190, 1244, 1555, 1652, 2006, 2065, 2177, 2360, 2380, 2488, 3110, 3304, 4012, 4130, 4354, 4760, 5015, 5287, 6220, 7021, 8024, 8260, 8708, 10030, 10574, 10885, 12440, 14042, 16520, 17416, 18349, 20060, 21148, 21770, 26435, 28084, 35105, 36698, 37009, 40120, 42296, 43540, 52870, 56168, 70210, 73396, 74018, 87080, 91745, 105740, 128443, 140420, 146792, 148036, 183490, 185045, 211480, 256886, 280840, 296072, 311933, 366980, 370090, 513772, 623866, 642215, 733960, 740180, 1027544, 1247732, 1284430, 1480360, 1559665, 2183531, 2495464, 2568860, 3119330, 4367062, 5137720, 6238660, 8734124, 10917655, 12477320, 17468248, 21835310, 43670620, 87341240]

約数ペア:

[(1, 87341240), (2, 43670620), (4, 21835310), (5, 17468248), (7, 12477320), (8, 10917655), (10, 8734124), (14, 6238660), (17, 5137720), (20, 4367062), (28, 3119330), (34, 2568860), (35, 2495464), (40, 2183531), (56, 1559665), (59, 1480360), (68, 1284430), (70, 1247732), (85, 1027544), (118, 740180), (119, 733960), (136, 642215), (140, 623866), (170, 513772), (236, 370090), (238, 366980), (280, 311933), (295, 296072), (311, 280840), (340, 256886), (413, 211480), (472, 185045), (476, 183490), (590, 148036), (595, 146792), (622, 140420), (680, 128443), (826, 105740), (952, 91745), (1003, 87080), (1180, 74018), (1190, 73396), (1244, 70210), (1555, 56168), (1652, 52870), (2006, 43540), (2065, 42296), (2177, 40120), (2360, 37009), (2380, 36698), (2488, 35105), (3110, 28084), (3304, 26435), (4012, 21770), (4130, 21148), (4354, 20060), (4760, 18349), (5015, 17416), (5287, 16520), (6220, 14042), (7021, 12440), (8024, 10885), (8260, 10574), (8708, 10030)]