20125530

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{569}}^1$

素因数の和:716

約数の個数: 64

約数和(自身を含む): 54172800

約数和(自身を除く): 34047270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 131, 135, 262, 270, 393, 569, 655, 786, 1138, 1179, 1310, 1707, 1965, 2358, 2845, 3414, 3537, 3930, 5121, 5690, 5895, 7074, 8535, 10242, 11790, 15363, 17070, 17685, 25605, 30726, 35370, 51210, 74539, 76815, 149078, 153630, 223617, 372695, 447234, 670851, 745390, 1118085, 1341702, 2012553, 2236170, 3354255, 4025106, 6708510, 10062765, 20125530]

約数ペア:

[(1, 20125530), (2, 10062765), (3, 6708510), (5, 4025106), (6, 3354255), (9, 2236170), (10, 2012553), (15, 1341702), (18, 1118085), (27, 745390), (30, 670851), (45, 447234), (54, 372695), (90, 223617), (131, 153630), (135, 149078), (262, 76815), (270, 74539), (393, 51210), (569, 35370), (655, 30726), (786, 25605), (1138, 17685), (1179, 17070), (1310, 15363), (1707, 11790), (1965, 10242), (2358, 8535), (2845, 7074), (3414, 5895), (3537, 5690), (3930, 5121)]