78696840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{655807}}^1$

素因数の和:655821

約数の個数: 32

約数和(自身を含む): 236090880

約数和(自身を除く): 157394040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 655807, 1311614, 1967421, 2623228, 3279035, 3934842, 5246456, 6558070, 7869684, 9837105, 13116140, 15739368, 19674210, 26232280, 39348420, 78696840]

約数ペア:

[(1, 78696840), (2, 39348420), (3, 26232280), (4, 19674210), (5, 15739368), (6, 13116140), (8, 9837105), (10, 7869684), (12, 6558070), (15, 5246456), (20, 3934842), (24, 3279035), (30, 2623228), (40, 1967421), (60, 1311614), (120, 655807)]