51219180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{284551}}^1$

素因数の和:284566

約数の個数: 36

約数和(自身を含む): 155365392

約数和(自身を除く): 104146212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 284551, 569102, 853653, 1138204, 1422755, 1707306, 2560959, 2845510, 3414612, 4268265, 5121918, 5691020, 8536530, 10243836, 12804795, 17073060, 25609590, 51219180]

約数ペア:

[(1, 51219180), (2, 25609590), (3, 17073060), (4, 12804795), (5, 10243836), (6, 8536530), (9, 5691020), (10, 5121918), (12, 4268265), (15, 3414612), (18, 2845510), (20, 2560959), (30, 1707306), (36, 1422755), (45, 1138204), (60, 853653), (90, 569102), (180, 284551)]