31512645

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:256

約数の個数: 80

約数和(自身を含む): 62726400

約数和(自身を除く): 31213755

約数列:

[1, 3, 5, 9, 15, 17, 23, 27, 45, 51, 69, 81, 85, 115, 135, 153, 199, 207, 255, 345, 391, 405, 459, 597, 621, 765, 995, 1035, 1173, 1377, 1791, 1863, 1955, 2295, 2985, 3105, 3383, 3519, 4577, 5373, 5865, 6885, 8955, 9315, 10149, 10557, 13731, 16119, 16915, 17595, 22885, 26865, 30447, 31671, 41193, 50745, 52785, 68655, 77809, 80595, 91341, 123579, 152235, 158355, 205965, 233427, 274023, 370737, 389045, 456705, 617895, 700281, 1167135, 1370115, 1853685, 2100843, 3501405, 6302529, 10504215, 31512645]

約数ペア:

[(1, 31512645), (3, 10504215), (5, 6302529), (9, 3501405), (15, 2100843), (17, 1853685), (23, 1370115), (27, 1167135), (45, 700281), (51, 617895), (69, 456705), (81, 389045), (85, 370737), (115, 274023), (135, 233427), (153, 205965), (199, 158355), (207, 152235), (255, 123579), (345, 91341), (391, 80595), (405, 77809), (459, 68655), (597, 52785), (621, 50745), (765, 41193), (995, 31671), (1035, 30447), (1173, 26865), (1377, 22885), (1791, 17595), (1863, 16915), (1955, 16119), (2295, 13731), (2985, 10557), (3105, 10149), (3383, 9315), (3519, 8955), (4577, 6885), (5373, 5865)]