215563440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{898181}}^1$

素因数の和:898197

約数の個数: 40

約数和(自身を含む): 668247408

約数和(自身を除く): 452683968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 898181, 1796362, 2694543, 3592724, 4490905, 5389086, 7185448, 8981810, 10778172, 13472715, 14370896, 17963620, 21556344, 26945430, 35927240, 43112688, 53890860, 71854480, 107781720, 215563440]

約数ペア:

[(1, 215563440), (2, 107781720), (3, 71854480), (4, 53890860), (5, 43112688), (6, 35927240), (8, 26945430), (10, 21556344), (12, 17963620), (15, 14370896), (16, 13472715), (20, 10778172), (24, 8981810), (30, 7185448), (40, 5389086), (48, 4490905), (60, 3592724), (80, 2694543), (120, 1796362), (240, 898181)]