857515860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{31973}}^1$

素因数の和:32137

約数の個数: 72

約数和(自身を含む): 2618670600

約数和(自身を除く): 1761154740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 745, 894, 1341, 1490, 1788, 2235, 2682, 2980, 4470, 5364, 6705, 8940, 13410, 26820, 31973, 63946, 95919, 127892, 159865, 191838, 287757, 319730, 383676, 479595, 575514, 639460, 959190, 1151028, 1438785, 1918380, 2877570, 4763977, 5755140, 9527954, 14291931, 19055908, 23819885, 28583862, 42875793, 47639770, 57167724, 71459655, 85751586, 95279540, 142919310, 171503172, 214378965, 285838620, 428757930, 857515860]

約数ペア:

[(1, 857515860), (2, 428757930), (3, 285838620), (4, 214378965), (5, 171503172), (6, 142919310), (9, 95279540), (10, 85751586), (12, 71459655), (15, 57167724), (18, 47639770), (20, 42875793), (30, 28583862), (36, 23819885), (45, 19055908), (60, 14291931), (90, 9527954), (149, 5755140), (180, 4763977), (298, 2877570), (447, 1918380), (596, 1438785), (745, 1151028), (894, 959190), (1341, 639460), (1490, 575514), (1788, 479595), (2235, 383676), (2682, 319730), (2980, 287757), (4470, 191838), (5364, 159865), (6705, 127892), (8940, 95919), (13410, 63946), (26820, 31973)]