15970356

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 42020160

約数和(自身を除く): 26049804

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 73, 103, 118, 146, 177, 206, 219, 236, 292, 309, 354, 412, 438, 531, 618, 657, 708, 876, 927, 1062, 1236, 1314, 1854, 2124, 2628, 3708, 4307, 6077, 7519, 8614, 12154, 12921, 15038, 17228, 18231, 22557, 24308, 25842, 30076, 36462, 38763, 45114, 51684, 54693, 67671, 72924, 77526, 90228, 109386, 135342, 155052, 218772, 270684, 443621, 887242, 1330863, 1774484, 2661726, 3992589, 5323452, 7985178, 15970356]

約数ペア:

[(1, 15970356), (2, 7985178), (3, 5323452), (4, 3992589), (6, 2661726), (9, 1774484), (12, 1330863), (18, 887242), (36, 443621), (59, 270684), (73, 218772), (103, 155052), (118, 135342), (146, 109386), (177, 90228), (206, 77526), (219, 72924), (236, 67671), (292, 54693), (309, 51684), (354, 45114), (412, 38763), (438, 36462), (531, 30076), (618, 25842), (657, 24308), (708, 22557), (876, 18231), (927, 17228), (1062, 15038), (1236, 12921), (1314, 12154), (1854, 8614), (2124, 7519), (2628, 6077), (3708, 4307)]