814590

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{431}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 2488320

約数和(自身を除く): 1673730

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 431, 630, 862, 945, 1293, 1890, 2155, 2586, 3017, 3879, 4310, 6034, 6465, 7758, 9051, 11637, 12930, 15085, 18102, 19395, 23274, 27153, 30170, 38790, 45255, 54306, 58185, 81459, 90510, 116370, 135765, 162918, 271530, 407295, 814590]

約数ペア:

[(1, 814590), (2, 407295), (3, 271530), (5, 162918), (6, 135765), (7, 116370), (9, 90510), (10, 81459), (14, 58185), (15, 54306), (18, 45255), (21, 38790), (27, 30170), (30, 27153), (35, 23274), (42, 19395), (45, 18102), (54, 15085), (63, 12930), (70, 11637), (90, 9051), (105, 7758), (126, 6465), (135, 6034), (189, 4310), (210, 3879), (270, 3017), (315, 2586), (378, 2155), (431, 1890), (630, 1293), (862, 945)]