8581020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{20431}}^1$

素因数の和:20450

約数の個数: 48

約数和(自身を含む): 27460608

約数和(自身を除く): 18879588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 20431, 40862, 61293, 81724, 102155, 122586, 143017, 204310, 245172, 286034, 306465, 408620, 429051, 572068, 612930, 715085, 858102, 1225860, 1430170, 1716204, 2145255, 2860340, 4290510, 8581020]

約数ペア:

[(1, 8581020), (2, 4290510), (3, 2860340), (4, 2145255), (5, 1716204), (6, 1430170), (7, 1225860), (10, 858102), (12, 715085), (14, 612930), (15, 572068), (20, 429051), (21, 408620), (28, 306465), (30, 286034), (35, 245172), (42, 204310), (60, 143017), (70, 122586), (84, 102155), (105, 81724), (140, 61293), (210, 40862), (420, 20431)]