81151728

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{10501}}^1$

素因数の和:10542

約数の個数: 80

約数和(自身を含む): 250031616

約数和(自身を除く): 168879888

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 48, 56, 69, 84, 92, 112, 138, 161, 168, 184, 276, 322, 336, 368, 483, 552, 644, 966, 1104, 1288, 1932, 2576, 3864, 7728, 10501, 21002, 31503, 42004, 63006, 73507, 84008, 126012, 147014, 168016, 220521, 241523, 252024, 294028, 441042, 483046, 504048, 588056, 724569, 882084, 966092, 1176112, 1449138, 1690661, 1764168, 1932184, 2898276, 3381322, 3528336, 3864368, 5071983, 5796552, 6762644, 10143966, 11593104, 13525288, 20287932, 27050576, 40575864, 81151728]

約数ペア:

[(1, 81151728), (2, 40575864), (3, 27050576), (4, 20287932), (6, 13525288), (7, 11593104), (8, 10143966), (12, 6762644), (14, 5796552), (16, 5071983), (21, 3864368), (23, 3528336), (24, 3381322), (28, 2898276), (42, 1932184), (46, 1764168), (48, 1690661), (56, 1449138), (69, 1176112), (84, 966092), (92, 882084), (112, 724569), (138, 588056), (161, 504048), (168, 483046), (184, 441042), (276, 294028), (322, 252024), (336, 241523), (368, 220521), (483, 168016), (552, 147014), (644, 126012), (966, 84008), (1104, 73507), (1288, 63006), (1932, 42004), (2576, 31503), (3864, 21002), (7728, 10501)]