31783920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{18919}}^1$

素因数の和:18942

約数の個数: 80

約数和(自身を含む): 112611840

約数和(自身を除く): 80827920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 18919, 37838, 56757, 75676, 94595, 113514, 132433, 151352, 189190, 227028, 264866, 283785, 302704, 378380, 397299, 454056, 529732, 567570, 662165, 756760, 794598, 908112, 1059464, 1135140, 1324330, 1513520, 1589196, 1986495, 2118928, 2270280, 2648660, 3178392, 3972990, 4540560, 5297320, 6356784, 7945980, 10594640, 15891960, 31783920]

約数ペア:

[(1, 31783920), (2, 15891960), (3, 10594640), (4, 7945980), (5, 6356784), (6, 5297320), (7, 4540560), (8, 3972990), (10, 3178392), (12, 2648660), (14, 2270280), (15, 2118928), (16, 1986495), (20, 1589196), (21, 1513520), (24, 1324330), (28, 1135140), (30, 1059464), (35, 908112), (40, 794598), (42, 756760), (48, 662165), (56, 567570), (60, 529732), (70, 454056), (80, 397299), (84, 378380), (105, 302704), (112, 283785), (120, 264866), (140, 227028), (168, 189190), (210, 151352), (240, 132433), (280, 113514), (336, 94595), (420, 75676), (560, 56757), (840, 37838), (1680, 18919)]