8812980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4451}}^1$

素因数の和:4477

約数の個数: 72

約数和(自身を含む): 29169504

約数和(自身を除く): 20356524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 4451, 8902, 13353, 17804, 22255, 26706, 40059, 44510, 48961, 53412, 66765, 80118, 89020, 97922, 133530, 146883, 160236, 195844, 200295, 244805, 267060, 293766, 400590, 440649, 489610, 587532, 734415, 801180, 881298, 979220, 1468830, 1762596, 2203245, 2937660, 4406490, 8812980]

約数ペア:

[(1, 8812980), (2, 4406490), (3, 2937660), (4, 2203245), (5, 1762596), (6, 1468830), (9, 979220), (10, 881298), (11, 801180), (12, 734415), (15, 587532), (18, 489610), (20, 440649), (22, 400590), (30, 293766), (33, 267060), (36, 244805), (44, 200295), (45, 195844), (55, 160236), (60, 146883), (66, 133530), (90, 97922), (99, 89020), (110, 80118), (132, 66765), (165, 53412), (180, 48961), (198, 44510), (220, 40059), (330, 26706), (396, 22255), (495, 17804), (660, 13353), (990, 8902), (1980, 4451)]