78823920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{46919}}^1$

素因数の和:46942

約数の個数: 80

約数和(自身を含む): 279267840

約数和(自身を除く): 200443920

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, 46919, 93838, 140757, 187676, 234595, 281514, 328433, 375352, 469190, 563028, 656866, 703785, 750704, 938380, 985299, 1126056, 1313732, 1407570, 1642165, 1876760, 1970598, 2252112, 2627464, 2815140, 3284330, 3753520, 3941196, 4926495, 5254928, 5630280, 6568660, 7882392, 9852990, 11260560, 13137320, 15764784, 19705980, 26274640, 39411960, 78823920]

約数ペア:

[(1, 78823920), (2, 39411960), (3, 26274640), (4, 19705980), (5, 15764784), (6, 13137320), (7, 11260560), (8, 9852990), (10, 7882392), (12, 6568660), (14, 5630280), (15, 5254928), (16, 4926495), (20, 3941196), (21, 3753520), (24, 3284330), (28, 2815140), (30, 2627464), (35, 2252112), (40, 1970598), (42, 1876760), (48, 1642165), (56, 1407570), (60, 1313732), (70, 1126056), (80, 985299), (84, 938380), (105, 750704), (112, 703785), (120, 656866), (140, 563028), (168, 469190), (210, 375352), (240, 328433), (280, 281514), (336, 234595), (420, 187676), (560, 140757), (840, 93838), (1680, 46919)]