78833580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{187699}}^1$

素因数の和:187718

約数の個数: 48

約数和(自身を含む): 252268800

約数和(自身を除く): 173435220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 187699, 375398, 563097, 750796, 938495, 1126194, 1313893, 1876990, 2252388, 2627786, 2815485, 3753980, 3941679, 5255572, 5630970, 6569465, 7883358, 11261940, 13138930, 15766716, 19708395, 26277860, 39416790, 78833580]

約数ペア:

[(1, 78833580), (2, 39416790), (3, 26277860), (4, 19708395), (5, 15766716), (6, 13138930), (7, 11261940), (10, 7883358), (12, 6569465), (14, 5630970), (15, 5255572), (20, 3941679), (21, 3753980), (28, 2815485), (30, 2627786), (35, 2252388), (42, 1876990), (60, 1313893), (70, 1126194), (84, 938495), (105, 750796), (140, 563097), (210, 375398), (420, 187699)]