54166980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{128969}}^1$

素因数の和:128988

約数の個数: 48

約数和(自身を含む): 173335680

約数和(自身を除く): 119168700

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, 128969, 257938, 386907, 515876, 644845, 773814, 902783, 1289690, 1547628, 1805566, 1934535, 2579380, 2708349, 3611132, 3869070, 4513915, 5416698, 7738140, 9027830, 10833396, 13541745, 18055660, 27083490, 54166980]

約数ペア:

[(1, 54166980), (2, 27083490), (3, 18055660), (4, 13541745), (5, 10833396), (6, 9027830), (7, 7738140), (10, 5416698), (12, 4513915), (14, 3869070), (15, 3611132), (20, 2708349), (21, 2579380), (28, 1934535), (30, 1805566), (35, 1547628), (42, 1289690), (60, 902783), (70, 773814), (84, 644845), (105, 515876), (140, 386907), (210, 257938), (420, 128969)]