212499180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{393517}}^1$

素因数の和:393535

約数の個数: 48

約数和(自身を含む): 661110240

約数和(自身を除く): 448611060

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, 393517, 787034, 1180551, 1574068, 1967585, 2361102, 3541653, 3935170, 4722204, 5902755, 7083306, 7870340, 10624959, 11805510, 14166612, 17708265, 21249918, 23611020, 35416530, 42499836, 53124795, 70833060, 106249590, 212499180]

約数ペア:

[(1, 212499180), (2, 106249590), (3, 70833060), (4, 53124795), (5, 42499836), (6, 35416530), (9, 23611020), (10, 21249918), (12, 17708265), (15, 14166612), (18, 11805510), (20, 10624959), (27, 7870340), (30, 7083306), (36, 5902755), (45, 4722204), (54, 3935170), (60, 3541653), (90, 2361102), (108, 1967585), (135, 1574068), (180, 1180551), (270, 787034), (540, 393517)]