66216640

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:175

約数の個数: 168

約数和(自身を含む): 189719712

約数和(自身を除く): 123503072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 49, 56, 64, 70, 80, 82, 98, 103, 112, 140, 160, 164, 196, 205, 206, 224, 245, 280, 287, 320, 328, 392, 410, 412, 448, 490, 515, 560, 574, 656, 721, 784, 820, 824, 980, 1030, 1120, 1148, 1312, 1435, 1442, 1568, 1640, 1648, 1960, 2009, 2060, 2240, 2296, 2624, 2870, 2884, 3136, 3280, 3296, 3605, 3920, 4018, 4120, 4223, 4592, 5047, 5740, 5768, 6560, 6592, 7210, 7840, 8036, 8240, 8446, 9184, 10045, 10094, 11480, 11536, 13120, 14420, 15680, 16072, 16480, 16892, 18368, 20090, 20188, 21115, 22960, 23072, 25235, 28840, 29561, 32144, 32960, 33784, 40180, 40376, 42230, 45920, 46144, 50470, 57680, 59122, 64288, 67568, 80360, 80752, 84460, 91840, 100940, 115360, 118244, 128576, 135136, 147805, 160720, 161504, 168920, 201880, 206927, 230720, 236488, 270272, 295610, 321440, 323008, 337840, 403760, 413854, 472976, 591220, 642880, 675680, 807520, 827708, 945952, 1034635, 1182440, 1351360, 1615040, 1655416, 1891904, 2069270, 2364880, 3310832, 4138540, 4729760, 6621664, 8277080, 9459520, 13243328, 16554160, 33108320, 66216640]

約数ペア:

[(1, 66216640), (2, 33108320), (4, 16554160), (5, 13243328), (7, 9459520), (8, 8277080), (10, 6621664), (14, 4729760), (16, 4138540), (20, 3310832), (28, 2364880), (32, 2069270), (35, 1891904), (40, 1655416), (41, 1615040), (49, 1351360), (56, 1182440), (64, 1034635), (70, 945952), (80, 827708), (82, 807520), (98, 675680), (103, 642880), (112, 591220), (140, 472976), (160, 413854), (164, 403760), (196, 337840), (205, 323008), (206, 321440), (224, 295610), (245, 270272), (280, 236488), (287, 230720), (320, 206927), (328, 201880), (392, 168920), (410, 161504), (412, 160720), (448, 147805), (490, 135136), (515, 128576), (560, 118244), (574, 115360), (656, 100940), (721, 91840), (784, 84460), (820, 80752), (824, 80360), (980, 67568), (1030, 64288), (1120, 59122), (1148, 57680), (1312, 50470), (1435, 46144), (1442, 45920), (1568, 42230), (1640, 40376), (1648, 40180), (1960, 33784), (2009, 32960), (2060, 32144), (2240, 29561), (2296, 28840), (2624, 25235), (2870, 23072), (2884, 22960), (3136, 21115), (3280, 20188), (3296, 20090), (3605, 18368), (3920, 16892), (4018, 16480), (4120, 16072), (4223, 15680), (4592, 14420), (5047, 13120), (5740, 11536), (5768, 11480), (6560, 10094), (6592, 10045), (7210, 9184), (7840, 8446), (8036, 8240)]