68299728

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:505

約数の個数: 120

約数和(自身を含む): 208647360

約数和(自身を除く): 140347632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 71, 84, 98, 112, 142, 147, 168, 196, 213, 284, 294, 336, 392, 409, 426, 497, 568, 588, 784, 818, 852, 994, 1136, 1176, 1227, 1491, 1636, 1704, 1988, 2352, 2454, 2863, 2982, 3272, 3408, 3479, 3976, 4908, 5726, 5964, 6544, 6958, 7952, 8589, 9816, 10437, 11452, 11928, 13916, 17178, 19632, 20041, 20874, 22904, 23856, 27832, 29039, 34356, 40082, 41748, 45808, 55664, 58078, 60123, 68712, 80164, 83496, 87117, 116156, 120246, 137424, 160328, 166992, 174234, 203273, 232312, 240492, 320656, 348468, 406546, 464624, 480984, 609819, 696936, 813092, 961968, 1219638, 1393872, 1422911, 1626184, 2439276, 2845822, 3252368, 4268733, 4878552, 5691644, 8537466, 9757104, 11383288, 17074932, 22766576, 34149864, 68299728]

約数ペア:

[(1, 68299728), (2, 34149864), (3, 22766576), (4, 17074932), (6, 11383288), (7, 9757104), (8, 8537466), (12, 5691644), (14, 4878552), (16, 4268733), (21, 3252368), (24, 2845822), (28, 2439276), (42, 1626184), (48, 1422911), (49, 1393872), (56, 1219638), (71, 961968), (84, 813092), (98, 696936), (112, 609819), (142, 480984), (147, 464624), (168, 406546), (196, 348468), (213, 320656), (284, 240492), (294, 232312), (336, 203273), (392, 174234), (409, 166992), (426, 160328), (497, 137424), (568, 120246), (588, 116156), (784, 87117), (818, 83496), (852, 80164), (994, 68712), (1136, 60123), (1176, 58078), (1227, 55664), (1491, 45808), (1636, 41748), (1704, 40082), (1988, 34356), (2352, 29039), (2454, 27832), (2863, 23856), (2982, 22904), (3272, 20874), (3408, 20041), (3479, 19632), (3976, 17178), (4908, 13916), (5726, 11928), (5964, 11452), (6544, 10437), (6958, 9816), (7952, 8589)]