161676648

素因数分解:

$2^3\times 3^5\times 7^1\times {\mathrm{109}}^2$

素因数の和:246

約数の個数: 144

約数和(自身を含む): 523766880

約数和(自身を除く): 362090232

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 109, 126, 162, 168, 189, 216, 218, 243, 252, 324, 327, 378, 436, 486, 504, 567, 648, 654, 756, 763, 872, 972, 981, 1134, 1308, 1512, 1526, 1701, 1944, 1962, 2268, 2289, 2616, 2943, 3052, 3402, 3924, 4536, 4578, 5886, 6104, 6804, 6867, 7848, 8829, 9156, 11772, 11881, 13608, 13734, 17658, 18312, 20601, 23544, 23762, 26487, 27468, 35316, 35643, 41202, 47524, 52974, 54936, 61803, 70632, 71286, 82404, 83167, 95048, 105948, 106929, 123606, 142572, 164808, 166334, 185409, 211896, 213858, 247212, 249501, 285144, 320787, 332668, 370818, 427716, 494424, 499002, 641574, 665336, 741636, 748503, 855432, 962361, 998004, 1283148, 1483272, 1497006, 1924722, 1996008, 2245509, 2566296, 2887083, 2994012, 3849444, 4491018, 5774166, 5988024, 6736527, 7698888, 8982036, 11548332, 13473054, 17964072, 20209581, 23096664, 26946108, 40419162, 53892216, 80838324, 161676648]

約数ペア:

[(1, 161676648), (2, 80838324), (3, 53892216), (4, 40419162), (6, 26946108), (7, 23096664), (8, 20209581), (9, 17964072), (12, 13473054), (14, 11548332), (18, 8982036), (21, 7698888), (24, 6736527), (27, 5988024), (28, 5774166), (36, 4491018), (42, 3849444), (54, 2994012), (56, 2887083), (63, 2566296), (72, 2245509), (81, 1996008), (84, 1924722), (108, 1497006), (109, 1483272), (126, 1283148), (162, 998004), (168, 962361), (189, 855432), (216, 748503), (218, 741636), (243, 665336), (252, 641574), (324, 499002), (327, 494424), (378, 427716), (436, 370818), (486, 332668), (504, 320787), (567, 285144), (648, 249501), (654, 247212), (756, 213858), (763, 211896), (872, 185409), (972, 166334), (981, 164808), (1134, 142572), (1308, 123606), (1512, 106929), (1526, 105948), (1701, 95048), (1944, 83167), (1962, 82404), (2268, 71286), (2289, 70632), (2616, 61803), (2943, 54936), (3052, 52974), (3402, 47524), (3924, 41202), (4536, 35643), (4578, 35316), (5886, 27468), (6104, 26487), (6804, 23762), (6867, 23544), (7848, 20601), (8829, 18312), (9156, 17658), (11772, 13734), (11881, 13608)]