161143920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31973}}^1$

素因数の和:31999

約数の個数: 120

約数和(自身を含む): 618505056

約数和(自身を除く): 457361136

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 31973, 63946, 95919, 127892, 159865, 191838, 223811, 255784, 287757, 319730, 383676, 447622, 479595, 511568, 575514, 639460, 671433, 767352, 895244, 959190, 1119055, 1151028, 1278920, 1342866, 1438785, 1534704, 1790488, 1918380, 2014299, 2238110, 2302056, 2557840, 2685732, 2877570, 3357165, 3580976, 3836760, 4028598, 4476220, 4604112, 5371464, 5755140, 6714330, 7673520, 8057196, 8952440, 10071495, 10742928, 11510280, 13428660, 16114392, 17904880, 20142990, 23020560, 26857320, 32228784, 40285980, 53714640, 80571960, 161143920]

約数ペア:

[(1, 161143920), (2, 80571960), (3, 53714640), (4, 40285980), (5, 32228784), (6, 26857320), (7, 23020560), (8, 20142990), (9, 17904880), (10, 16114392), (12, 13428660), (14, 11510280), (15, 10742928), (16, 10071495), (18, 8952440), (20, 8057196), (21, 7673520), (24, 6714330), (28, 5755140), (30, 5371464), (35, 4604112), (36, 4476220), (40, 4028598), (42, 3836760), (45, 3580976), (48, 3357165), (56, 2877570), (60, 2685732), (63, 2557840), (70, 2302056), (72, 2238110), (80, 2014299), (84, 1918380), (90, 1790488), (105, 1534704), (112, 1438785), (120, 1342866), (126, 1278920), (140, 1151028), (144, 1119055), (168, 959190), (180, 895244), (210, 767352), (240, 671433), (252, 639460), (280, 575514), (315, 511568), (336, 479595), (360, 447622), (420, 383676), (504, 319730), (560, 287757), (630, 255784), (720, 223811), (840, 191838), (1008, 159865), (1260, 127892), (1680, 95919), (2520, 63946), (5040, 31973)]