30259740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{72047}}^1$

素因数の和:72066

約数の個数: 48

約数和(自身を含む): 96832512

約数和(自身を除く): 66572772

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, 72047, 144094, 216141, 288188, 360235, 432282, 504329, 720470, 864564, 1008658, 1080705, 1440940, 1512987, 2017316, 2161410, 2521645, 3025974, 4322820, 5043290, 6051948, 7564935, 10086580, 15129870, 30259740]

約数ペア:

[(1, 30259740), (2, 15129870), (3, 10086580), (4, 7564935), (5, 6051948), (6, 5043290), (7, 4322820), (10, 3025974), (12, 2521645), (14, 2161410), (15, 2017316), (20, 1512987), (21, 1440940), (28, 1080705), (30, 1008658), (35, 864564), (42, 720470), (60, 504329), (70, 432282), (84, 360235), (105, 288188), (140, 216141), (210, 144094), (420, 72047)]