80815728

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3943}}^1$

素因数の和:4022

約数の個数: 80

約数和(自身を含む): 242571776

約数和(自身を除く): 161756048

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 61, 84, 112, 122, 168, 183, 244, 336, 366, 427, 488, 732, 854, 976, 1281, 1464, 1708, 2562, 2928, 3416, 3943, 5124, 6832, 7886, 10248, 11829, 15772, 20496, 23658, 27601, 31544, 47316, 55202, 63088, 82803, 94632, 110404, 165606, 189264, 220808, 240523, 331212, 441616, 481046, 662424, 721569, 962092, 1324848, 1443138, 1683661, 1924184, 2886276, 3367322, 3848368, 5050983, 5772552, 6734644, 10101966, 11545104, 13469288, 20203932, 26938576, 40407864, 80815728]

約数ペア:

[(1, 80815728), (2, 40407864), (3, 26938576), (4, 20203932), (6, 13469288), (7, 11545104), (8, 10101966), (12, 6734644), (14, 5772552), (16, 5050983), (21, 3848368), (24, 3367322), (28, 2886276), (42, 1924184), (48, 1683661), (56, 1443138), (61, 1324848), (84, 962092), (112, 721569), (122, 662424), (168, 481046), (183, 441616), (244, 331212), (336, 240523), (366, 220808), (427, 189264), (488, 165606), (732, 110404), (854, 94632), (976, 82803), (1281, 63088), (1464, 55202), (1708, 47316), (2562, 31544), (2928, 27601), (3416, 23658), (3943, 20496), (5124, 15772), (6832, 11829), (7886, 10248)]