355140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1973}}^1$

素因数の和:1988

約数の個数: 36

約数和(自身を含む): 1077804

約数和(自身を除く): 722664

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1973, 3946, 5919, 7892, 9865, 11838, 17757, 19730, 23676, 29595, 35514, 39460, 59190, 71028, 88785, 118380, 177570, 355140]

約数ペア:

[(1, 355140), (2, 177570), (3, 118380), (4, 88785), (5, 71028), (6, 59190), (9, 39460), (10, 35514), (12, 29595), (15, 23676), (18, 19730), (20, 17757), (30, 11838), (36, 9865), (45, 7892), (60, 5919), (90, 3946), (180, 1973)]