1618540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1051}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 4241664

約数和(自身を除く): 2623124

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1051, 1540, 2102, 4204, 5255, 7357, 10510, 11561, 14714, 21020, 23122, 29428, 36785, 46244, 57805, 73570, 80927, 115610, 147140, 161854, 231220, 323708, 404635, 809270, 1618540]

約数ペア:

[(1, 1618540), (2, 809270), (4, 404635), (5, 323708), (7, 231220), (10, 161854), (11, 147140), (14, 115610), (20, 80927), (22, 73570), (28, 57805), (35, 46244), (44, 36785), (55, 29428), (70, 23122), (77, 21020), (110, 14714), (140, 11561), (154, 10510), (220, 7357), (308, 5255), (385, 4204), (770, 2102), (1051, 1540)]