30540580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{227}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 76071744

約数和(自身を除く): 45531164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 227, 310, 434, 454, 620, 868, 908, 961, 1085, 1135, 1589, 1922, 2170, 2270, 3178, 3844, 4340, 4540, 4805, 6356, 6727, 7037, 7945, 9610, 13454, 14074, 15890, 19220, 26908, 28148, 31780, 33635, 35185, 49259, 67270, 70370, 98518, 134540, 140740, 197036, 218147, 246295, 436294, 492590, 872588, 985180, 1090735, 1527029, 2181470, 3054058, 4362940, 6108116, 7635145, 15270290, 30540580]

約数ペア:

[(1, 30540580), (2, 15270290), (4, 7635145), (5, 6108116), (7, 4362940), (10, 3054058), (14, 2181470), (20, 1527029), (28, 1090735), (31, 985180), (35, 872588), (62, 492590), (70, 436294), (124, 246295), (140, 218147), (155, 197036), (217, 140740), (227, 134540), (310, 98518), (434, 70370), (454, 67270), (620, 49259), (868, 35185), (908, 33635), (961, 31780), (1085, 28148), (1135, 26908), (1589, 19220), (1922, 15890), (2170, 14074), (2270, 13454), (3178, 9610), (3844, 7945), (4340, 7037), (4540, 6727), (4805, 6356)]