1640587020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1301}}^1\times {\mathrm{21017}}^1$

素因数の和:22330

約数の個数: 48

約数和(自身を含む): 4597393248

約数和(自身を除く): 2956806228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1301, 2602, 3903, 5204, 6505, 7806, 13010, 15612, 19515, 21017, 26020, 39030, 42034, 63051, 78060, 84068, 105085, 126102, 210170, 252204, 315255, 420340, 630510, 1261020, 27343117, 54686234, 82029351, 109372468, 136715585, 164058702, 273431170, 328117404, 410146755, 546862340, 820293510, 1640587020]

約数ペア:

[(1, 1640587020), (2, 820293510), (3, 546862340), (4, 410146755), (5, 328117404), (6, 273431170), (10, 164058702), (12, 136715585), (15, 109372468), (20, 82029351), (30, 54686234), (60, 27343117), (1301, 1261020), (2602, 630510), (3903, 420340), (5204, 315255), (6505, 252204), (7806, 210170), (13010, 126102), (15612, 105085), (19515, 84068), (21017, 78060), (26020, 63051), (39030, 42034)]