9180900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{101}}^2$

素因数の和:222

約数の個数: 81

約数和(自身を含む): 29064763

約数和(自身を除く): 19883863

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 101, 150, 180, 202, 225, 300, 303, 404, 450, 505, 606, 900, 909, 1010, 1212, 1515, 1818, 2020, 2525, 3030, 3636, 4545, 5050, 6060, 7575, 9090, 10100, 10201, 15150, 18180, 20402, 22725, 30300, 30603, 40804, 45450, 51005, 61206, 90900, 91809, 102010, 122412, 153015, 183618, 204020, 255025, 306030, 367236, 459045, 510050, 612060, 765075, 918090, 1020100, 1530150, 1836180, 2295225, 3060300, 4590450, 9180900]

約数ペア:

[(1, 9180900), (2, 4590450), (3, 3060300), (4, 2295225), (5, 1836180), (6, 1530150), (9, 1020100), (10, 918090), (12, 765075), (15, 612060), (18, 510050), (20, 459045), (25, 367236), (30, 306030), (36, 255025), (45, 204020), (50, 183618), (60, 153015), (75, 122412), (90, 102010), (100, 91809), (101, 90900), (150, 61206), (180, 51005), (202, 45450), (225, 40804), (300, 30603), (303, 30300), (404, 22725), (450, 20402), (505, 18180), (606, 15150), (900, 10201), (909, 10100), (1010, 9090), (1212, 7575), (1515, 6060), (1818, 5050), (2020, 4545), (2525, 3636)]