281004660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{520379}}^1$

素因数の和:520397

約数の個数: 48

約数和(自身を含む): 874238400

約数和(自身を除く): 593233740

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, 520379, 1040758, 1561137, 2081516, 2601895, 3122274, 4683411, 5203790, 6244548, 7805685, 9366822, 10407580, 14050233, 15611370, 18733644, 23417055, 28100466, 31222740, 46834110, 56200932, 70251165, 93668220, 140502330, 281004660]

約数ペア:

[(1, 281004660), (2, 140502330), (3, 93668220), (4, 70251165), (5, 56200932), (6, 46834110), (9, 31222740), (10, 28100466), (12, 23417055), (15, 18733644), (18, 15611370), (20, 14050233), (27, 10407580), (30, 9366822), (36, 7805685), (45, 6244548), (54, 5203790), (60, 4683411), (90, 3122274), (108, 2601895), (135, 2081516), (180, 1561137), (270, 1040758), (540, 520379)]