155557980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{864211}}^1$

素因数の和:864226

約数の個数: 36

約数和(自身を含む): 471859752

約数和(自身を除く): 316301772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 864211, 1728422, 2592633, 3456844, 4321055, 5185266, 7777899, 8642110, 10370532, 12963165, 15555798, 17284220, 25926330, 31111596, 38889495, 51852660, 77778990, 155557980]

約数ペア:

[(1, 155557980), (2, 77778990), (3, 51852660), (4, 38889495), (5, 31111596), (6, 25926330), (9, 17284220), (10, 15555798), (12, 12963165), (15, 10370532), (18, 8642110), (20, 7777899), (30, 5185266), (36, 4321055), (45, 3456844), (60, 2592633), (90, 1728422), (180, 864211)]