80571960

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31973}}^1$

素因数の和:31997

約数の個数: 96

約数和(自身を含む): 299276640

約数和(自身を除く): 218704680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 31973, 63946, 95919, 127892, 159865, 191838, 223811, 255784, 287757, 319730, 383676, 447622, 479595, 575514, 639460, 671433, 767352, 895244, 959190, 1119055, 1151028, 1278920, 1342866, 1438785, 1790488, 1918380, 2014299, 2238110, 2302056, 2685732, 2877570, 3357165, 3836760, 4028598, 4476220, 5371464, 5755140, 6714330, 8057196, 8952440, 10071495, 11510280, 13428660, 16114392, 20142990, 26857320, 40285980, 80571960]

約数ペア:

[(1, 80571960), (2, 40285980), (3, 26857320), (4, 20142990), (5, 16114392), (6, 13428660), (7, 11510280), (8, 10071495), (9, 8952440), (10, 8057196), (12, 6714330), (14, 5755140), (15, 5371464), (18, 4476220), (20, 4028598), (21, 3836760), (24, 3357165), (28, 2877570), (30, 2685732), (35, 2302056), (36, 2238110), (40, 2014299), (42, 1918380), (45, 1790488), (56, 1438785), (60, 1342866), (63, 1278920), (70, 1151028), (72, 1119055), (84, 959190), (90, 895244), (105, 767352), (120, 671433), (126, 639460), (140, 575514), (168, 479595), (180, 447622), (210, 383676), (252, 319730), (280, 287757), (315, 255784), (360, 223811), (420, 191838), (504, 159865), (630, 127892), (840, 95919), (1260, 63946), (2520, 31973)]