518641380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{320149}}^1$

素因数の和:320170

約数の個数: 60

約数和(自身を含む): 1627002300

約数和(自身を除く): 1108360920

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 320149, 640298, 960447, 1280596, 1600745, 1920894, 2881341, 3201490, 3841788, 4802235, 5762682, 6402980, 8644023, 9604470, 11525364, 14406705, 17288046, 19208940, 25932069, 28813410, 34576092, 43220115, 51864138, 57626820, 86440230, 103728276, 129660345, 172880460, 259320690, 518641380]

約数ペア:

[(1, 518641380), (2, 259320690), (3, 172880460), (4, 129660345), (5, 103728276), (6, 86440230), (9, 57626820), (10, 51864138), (12, 43220115), (15, 34576092), (18, 28813410), (20, 25932069), (27, 19208940), (30, 17288046), (36, 14406705), (45, 11525364), (54, 9604470), (60, 8644023), (81, 6402980), (90, 5762682), (108, 4802235), (135, 3841788), (162, 3201490), (180, 2881341), (270, 1920894), (324, 1600745), (405, 1280596), (540, 960447), (810, 640298), (1620, 320149)]