2643780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 7479360

約数和(自身を除く): 4835580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 317, 417, 556, 634, 695, 834, 951, 1268, 1390, 1585, 1668, 1902, 2085, 2780, 3170, 3804, 4170, 4755, 6340, 8340, 9510, 19020, 44063, 88126, 132189, 176252, 220315, 264378, 440630, 528756, 660945, 881260, 1321890, 2643780]

約数ペア:

[(1, 2643780), (2, 1321890), (3, 881260), (4, 660945), (5, 528756), (6, 440630), (10, 264378), (12, 220315), (15, 176252), (20, 132189), (30, 88126), (60, 44063), (139, 19020), (278, 9510), (317, 8340), (417, 6340), (556, 4755), (634, 4170), (695, 3804), (834, 3170), (951, 2780), (1268, 2085), (1390, 1902), (1585, 1668)]