51371460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{40771}}^1$

素因数の和:40793

約数の個数: 72

約数和(自身を含む): 178092096

約数和(自身を除く): 126720636

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 40771, 81542, 122313, 163084, 203855, 244626, 285397, 366939, 407710, 489252, 570794, 611565, 733878, 815420, 856191, 1141588, 1223130, 1426985, 1467756, 1712382, 1834695, 2446260, 2568573, 2853970, 3424764, 3669390, 4280955, 5137146, 5707940, 7338780, 8561910, 10274292, 12842865, 17123820, 25685730, 51371460]

約数ペア:

[(1, 51371460), (2, 25685730), (3, 17123820), (4, 12842865), (5, 10274292), (6, 8561910), (7, 7338780), (9, 5707940), (10, 5137146), (12, 4280955), (14, 3669390), (15, 3424764), (18, 2853970), (20, 2568573), (21, 2446260), (28, 1834695), (30, 1712382), (35, 1467756), (36, 1426985), (42, 1223130), (45, 1141588), (60, 856191), (63, 815420), (70, 733878), (84, 611565), (90, 570794), (105, 489252), (126, 407710), (140, 366939), (180, 285397), (210, 244626), (252, 203855), (315, 163084), (420, 122313), (630, 81542), (1260, 40771)]