84201920

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1259}}^1$

素因数の和:1306

約数の個数: 112

約数和(自身を含む): 230428800

約数和(自身を除く): 146226880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 152, 160, 176, 190, 209, 220, 304, 320, 352, 380, 418, 440, 608, 704, 760, 836, 880, 1045, 1216, 1259, 1520, 1672, 1760, 2090, 2518, 3040, 3344, 3520, 4180, 5036, 6080, 6295, 6688, 8360, 10072, 12590, 13376, 13849, 16720, 20144, 23921, 25180, 27698, 33440, 40288, 47842, 50360, 55396, 66880, 69245, 80576, 95684, 100720, 110792, 119605, 138490, 191368, 201440, 221584, 239210, 263131, 276980, 382736, 402880, 443168, 478420, 526262, 553960, 765472, 886336, 956840, 1052524, 1107920, 1315655, 1530944, 1913680, 2105048, 2215840, 2631310, 3827360, 4210096, 4431680, 5262620, 7654720, 8420192, 10525240, 16840384, 21050480, 42100960, 84201920]

約数ペア:

[(1, 84201920), (2, 42100960), (4, 21050480), (5, 16840384), (8, 10525240), (10, 8420192), (11, 7654720), (16, 5262620), (19, 4431680), (20, 4210096), (22, 3827360), (32, 2631310), (38, 2215840), (40, 2105048), (44, 1913680), (55, 1530944), (64, 1315655), (76, 1107920), (80, 1052524), (88, 956840), (95, 886336), (110, 765472), (152, 553960), (160, 526262), (176, 478420), (190, 443168), (209, 402880), (220, 382736), (304, 276980), (320, 263131), (352, 239210), (380, 221584), (418, 201440), (440, 191368), (608, 138490), (704, 119605), (760, 110792), (836, 100720), (880, 95684), (1045, 80576), (1216, 69245), (1259, 66880), (1520, 55396), (1672, 50360), (1760, 47842), (2090, 40288), (2518, 33440), (3040, 27698), (3344, 25180), (3520, 23921), (4180, 20144), (5036, 16720), (6080, 13849), (6295, 13376), (6688, 12590), (8360, 10072)]