1783964720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{3823}}^1$

素因数の和:4162

約数の個数: 80

約数和(自身を含む): 4381386240

約数和(自身を除く): 2597421520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 307, 380, 614, 760, 1228, 1520, 1535, 2456, 3070, 3823, 4912, 5833, 6140, 7646, 11666, 12280, 15292, 19115, 23332, 24560, 29165, 30584, 38230, 46664, 58330, 61168, 72637, 76460, 93328, 116660, 145274, 152920, 233320, 290548, 305840, 363185, 466640, 581096, 726370, 1162192, 1173661, 1452740, 2347322, 2905480, 4694644, 5810960, 5868305, 9389288, 11736610, 18778576, 22299559, 23473220, 44599118, 46946440, 89198236, 93892880, 111497795, 178396472, 222995590, 356792944, 445991180, 891982360, 1783964720]

約数ペア:

[(1, 1783964720), (2, 891982360), (4, 445991180), (5, 356792944), (8, 222995590), (10, 178396472), (16, 111497795), (19, 93892880), (20, 89198236), (38, 46946440), (40, 44599118), (76, 23473220), (80, 22299559), (95, 18778576), (152, 11736610), (190, 9389288), (304, 5868305), (307, 5810960), (380, 4694644), (614, 2905480), (760, 2347322), (1228, 1452740), (1520, 1173661), (1535, 1162192), (2456, 726370), (3070, 581096), (3823, 466640), (4912, 363185), (5833, 305840), (6140, 290548), (7646, 233320), (11666, 152920), (12280, 145274), (15292, 116660), (19115, 93328), (23332, 76460), (24560, 72637), (29165, 61168), (30584, 58330), (38230, 46664)]