31813530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{769}}^1$

素因数の和:983

約数の個数: 64

約数和(自身を含む): 87816960

約数和(自身を除く): 56003430

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 197, 210, 394, 591, 769, 985, 1182, 1379, 1538, 1970, 2307, 2758, 2955, 3845, 4137, 4614, 5383, 5910, 6895, 7690, 8274, 10766, 11535, 13790, 16149, 20685, 23070, 26915, 32298, 41370, 53830, 80745, 151493, 161490, 302986, 454479, 757465, 908958, 1060451, 1514930, 2120902, 2272395, 3181353, 4544790, 5302255, 6362706, 10604510, 15906765, 31813530]

約数ペア:

[(1, 31813530), (2, 15906765), (3, 10604510), (5, 6362706), (6, 5302255), (7, 4544790), (10, 3181353), (14, 2272395), (15, 2120902), (21, 1514930), (30, 1060451), (35, 908958), (42, 757465), (70, 454479), (105, 302986), (197, 161490), (210, 151493), (394, 80745), (591, 53830), (769, 41370), (985, 32298), (1182, 26915), (1379, 23070), (1538, 20685), (1970, 16149), (2307, 13790), (2758, 11535), (2955, 10766), (3845, 8274), (4137, 7690), (4614, 6895), (5383, 5910)]