1258380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{6991}}^1$

素因数の和:7006

約数の個数: 36

約数和(自身を含む): 3817632

約数和(自身を除く): 2559252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 6991, 13982, 20973, 27964, 34955, 41946, 62919, 69910, 83892, 104865, 125838, 139820, 209730, 251676, 314595, 419460, 629190, 1258380]

約数ペア:

[(1, 1258380), (2, 629190), (3, 419460), (4, 314595), (5, 251676), (6, 209730), (9, 139820), (10, 125838), (12, 104865), (15, 83892), (18, 69910), (20, 62919), (30, 41946), (36, 34955), (45, 27964), (60, 20973), (90, 13982), (180, 6991)]