77754780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1721}}^1$

素因数の和:1987

約数の個数: 72

約数和(自身を含む): 236933424

約数和(自身を除く): 159178644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 502, 753, 1004, 1255, 1506, 1721, 2259, 2510, 3012, 3442, 3765, 4518, 5020, 5163, 6884, 7530, 8605, 9036, 10326, 11295, 15060, 15489, 17210, 20652, 22590, 25815, 30978, 34420, 45180, 51630, 61956, 77445, 103260, 154890, 309780, 431971, 863942, 1295913, 1727884, 2159855, 2591826, 3887739, 4319710, 5183652, 6479565, 7775478, 8639420, 12959130, 15550956, 19438695, 25918260, 38877390, 77754780]

約数ペア:

[(1, 77754780), (2, 38877390), (3, 25918260), (4, 19438695), (5, 15550956), (6, 12959130), (9, 8639420), (10, 7775478), (12, 6479565), (15, 5183652), (18, 4319710), (20, 3887739), (30, 2591826), (36, 2159855), (45, 1727884), (60, 1295913), (90, 863942), (180, 431971), (251, 309780), (502, 154890), (753, 103260), (1004, 77445), (1255, 61956), (1506, 51630), (1721, 45180), (2259, 34420), (2510, 30978), (3012, 25815), (3442, 22590), (3765, 20652), (4518, 17210), (5020, 15489), (5163, 15060), (6884, 11295), (7530, 10326), (8605, 9036)]