7912980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43961}}^1$

素因数の和:43976

約数の個数: 36

約数和(自身を含む): 24003252

約数和(自身を除く): 16090272

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 43961, 87922, 131883, 175844, 219805, 263766, 395649, 439610, 527532, 659415, 791298, 879220, 1318830, 1582596, 1978245, 2637660, 3956490, 7912980]

約数ペア:

[(1, 7912980), (2, 3956490), (3, 2637660), (4, 1978245), (5, 1582596), (6, 1318830), (9, 879220), (10, 791298), (12, 659415), (15, 527532), (18, 439610), (20, 395649), (30, 263766), (36, 219805), (45, 175844), (60, 131883), (90, 87922), (180, 43961)]