215813040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{899221}}^1$

素因数の和:899237

約数の個数: 40

約数和(自身を含む): 669021168

約数和(自身を除く): 453208128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 899221, 1798442, 2697663, 3596884, 4496105, 5395326, 7193768, 8992210, 10790652, 13488315, 14387536, 17984420, 21581304, 26976630, 35968840, 43162608, 53953260, 71937680, 107906520, 215813040]

約数ペア:

[(1, 215813040), (2, 107906520), (3, 71937680), (4, 53953260), (5, 43162608), (6, 35968840), (8, 26976630), (10, 21581304), (12, 17984420), (15, 14387536), (16, 13488315), (20, 10790652), (24, 8992210), (30, 7193768), (40, 5395326), (48, 4496105), (60, 3596884), (80, 2697663), (120, 1798442), (240, 899221)]