31155180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{10597}}^1$

素因数の和:10623

約数の個数: 72

約数和(自身を含む): 101486448

約数和(自身を除く): 70331268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 10597, 21194, 31791, 42388, 52985, 63582, 74179, 105970, 127164, 148358, 158955, 211940, 222537, 296716, 317910, 370895, 445074, 519253, 635820, 741790, 890148, 1038506, 1112685, 1483580, 1557759, 2077012, 2225370, 2596265, 3115518, 4450740, 5192530, 6231036, 7788795, 10385060, 15577590, 31155180]

約数ペア:

[(1, 31155180), (2, 15577590), (3, 10385060), (4, 7788795), (5, 6231036), (6, 5192530), (7, 4450740), (10, 3115518), (12, 2596265), (14, 2225370), (15, 2077012), (20, 1557759), (21, 1483580), (28, 1112685), (30, 1038506), (35, 890148), (42, 741790), (49, 635820), (60, 519253), (70, 445074), (84, 370895), (98, 317910), (105, 296716), (140, 222537), (147, 211940), (196, 158955), (210, 148358), (245, 127164), (294, 105970), (420, 74179), (490, 63582), (588, 52985), (735, 42388), (980, 31791), (1470, 21194), (2940, 10597)]