2878380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{15991}}^1$

素因数の和:16006

約数の個数: 36

約数和(自身を含む): 8731632

約数和(自身を除く): 5853252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 15991, 31982, 47973, 63964, 79955, 95946, 143919, 159910, 191892, 239865, 287838, 319820, 479730, 575676, 719595, 959460, 1439190, 2878380]

約数ペア:

[(1, 2878380), (2, 1439190), (3, 959460), (4, 719595), (5, 575676), (6, 479730), (9, 319820), (10, 287838), (12, 239865), (15, 191892), (18, 159910), (20, 143919), (30, 95946), (36, 79955), (45, 63964), (60, 47973), (90, 31982), (180, 15991)]