67107880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239671}}^1$

素因数の和:239689

約数の個数: 32

約数和(自身を含む): 172563840

約数和(自身を除く): 105455960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 239671, 479342, 958684, 1198355, 1677697, 1917368, 2396710, 3355394, 4793420, 6710788, 8388485, 9586840, 13421576, 16776970, 33553940, 67107880]

約数ペア:

[(1, 67107880), (2, 33553940), (4, 16776970), (5, 13421576), (7, 9586840), (8, 8388485), (10, 6710788), (14, 4793420), (20, 3355394), (28, 2396710), (35, 1917368), (40, 1677697), (56, 1198355), (70, 958684), (140, 479342), (280, 239671)]