65485980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{51973}}^1$

素因数の和:51995

約数の個数: 72

約数和(自身を含む): 227022432

約数和(自身を除く): 161536452

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, 51973, 103946, 155919, 207892, 259865, 311838, 363811, 467757, 519730, 623676, 727622, 779595, 935514, 1039460, 1091433, 1455244, 1559190, 1819055, 1871028, 2182866, 2338785, 3118380, 3274299, 3638110, 4365732, 4677570, 5457165, 6548598, 7276220, 9355140, 10914330, 13097196, 16371495, 21828660, 32742990, 65485980]

約数ペア:

[(1, 65485980), (2, 32742990), (3, 21828660), (4, 16371495), (5, 13097196), (6, 10914330), (7, 9355140), (9, 7276220), (10, 6548598), (12, 5457165), (14, 4677570), (15, 4365732), (18, 3638110), (20, 3274299), (21, 3118380), (28, 2338785), (30, 2182866), (35, 1871028), (36, 1819055), (42, 1559190), (45, 1455244), (60, 1091433), (63, 1039460), (70, 935514), (84, 779595), (90, 727622), (105, 623676), (126, 519730), (140, 467757), (180, 363811), (210, 311838), (252, 259865), (315, 207892), (420, 155919), (630, 103946), (1260, 51973)]