89902980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{166487}}^1$

素因数の和:166505

約数の個数: 48

約数和(自身を含む): 279699840

約数和(自身を除く): 189796860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 166487, 332974, 499461, 665948, 832435, 998922, 1498383, 1664870, 1997844, 2497305, 2996766, 3329740, 4495149, 4994610, 5993532, 7491915, 8990298, 9989220, 14983830, 17980596, 22475745, 29967660, 44951490, 89902980]

約数ペア:

[(1, 89902980), (2, 44951490), (3, 29967660), (4, 22475745), (5, 17980596), (6, 14983830), (9, 9989220), (10, 8990298), (12, 7491915), (15, 5993532), (18, 4994610), (20, 4495149), (27, 3329740), (30, 2996766), (36, 2497305), (45, 1997844), (54, 1664870), (60, 1498383), (90, 998922), (108, 832435), (135, 665948), (180, 499461), (270, 332974), (540, 166487)]