15980085

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1$

素因数の和:256

約数の個数: 80

約数和(自身を含む): 33244992

約数和(自身を除く): 17264907

約数列:

[1, 3, 5, 9, 11, 15, 17, 27, 33, 45, 51, 55, 81, 85, 99, 135, 153, 165, 187, 211, 255, 297, 405, 459, 495, 561, 633, 765, 891, 935, 1055, 1377, 1485, 1683, 1899, 2295, 2321, 2805, 3165, 3587, 4455, 5049, 5697, 6885, 6963, 8415, 9495, 10761, 11605, 15147, 17091, 17935, 20889, 25245, 28485, 32283, 34815, 39457, 53805, 62667, 75735, 85455, 96849, 104445, 118371, 161415, 188001, 197285, 290547, 313335, 355113, 484245, 591855, 940005, 1065339, 1452735, 1775565, 3196017, 5326695, 15980085]

約数ペア:

[(1, 15980085), (3, 5326695), (5, 3196017), (9, 1775565), (11, 1452735), (15, 1065339), (17, 940005), (27, 591855), (33, 484245), (45, 355113), (51, 313335), (55, 290547), (81, 197285), (85, 188001), (99, 161415), (135, 118371), (153, 104445), (165, 96849), (187, 85455), (211, 75735), (255, 62667), (297, 53805), (405, 39457), (459, 34815), (495, 32283), (561, 28485), (633, 25245), (765, 20889), (891, 17935), (935, 17091), (1055, 15147), (1377, 11605), (1485, 10761), (1683, 9495), (1899, 8415), (2295, 6963), (2321, 6885), (2805, 5697), (3165, 5049), (3587, 4455)]