55991340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1579}}^1$

素因数の和:1791

約数の個数: 72

約数和(自身を含む): 170810640

約数和(自身を除く): 114819300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1182, 1579, 1773, 1970, 2364, 2955, 3158, 3546, 3940, 4737, 5910, 6316, 7092, 7895, 8865, 9474, 11820, 14211, 15790, 17730, 18948, 23685, 28422, 31580, 35460, 47370, 56844, 71055, 94740, 142110, 284220, 311063, 622126, 933189, 1244252, 1555315, 1866378, 2799567, 3110630, 3732756, 4665945, 5599134, 6221260, 9331890, 11198268, 13997835, 18663780, 27995670, 55991340]

約数ペア:

[(1, 55991340), (2, 27995670), (3, 18663780), (4, 13997835), (5, 11198268), (6, 9331890), (9, 6221260), (10, 5599134), (12, 4665945), (15, 3732756), (18, 3110630), (20, 2799567), (30, 1866378), (36, 1555315), (45, 1244252), (60, 933189), (90, 622126), (180, 311063), (197, 284220), (394, 142110), (591, 94740), (788, 71055), (985, 56844), (1182, 47370), (1579, 35460), (1773, 31580), (1970, 28422), (2364, 23685), (2955, 18948), (3158, 17730), (3546, 15790), (3940, 14211), (4737, 11820), (5910, 9474), (6316, 8865), (7092, 7895)]