81460275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:165

約数の個数: 96

約数和(自身を含む): 155823360

約数和(自身を除く): 74363085

約数列:

[1, 3, 5, 13, 15, 25, 29, 39, 43, 65, 67, 75, 87, 129, 145, 195, 201, 215, 325, 335, 377, 435, 559, 645, 725, 871, 975, 1005, 1075, 1131, 1247, 1675, 1677, 1885, 1943, 2175, 2613, 2795, 2881, 3225, 3741, 4355, 5025, 5655, 5829, 6235, 8385, 8643, 9425, 9715, 13065, 13975, 14405, 16211, 18705, 21775, 25259, 28275, 29145, 31175, 37453, 41925, 43215, 48575, 48633, 65325, 72025, 75777, 81055, 83549, 93525, 112359, 126295, 145725, 187265, 216075, 243165, 250647, 378885, 405275, 417745, 561795, 631475, 936325, 1086137, 1215825, 1253235, 1894425, 2088725, 2808975, 3258411, 5430685, 6266175, 16292055, 27153425, 81460275]

約数ペア:

[(1, 81460275), (3, 27153425), (5, 16292055), (13, 6266175), (15, 5430685), (25, 3258411), (29, 2808975), (39, 2088725), (43, 1894425), (65, 1253235), (67, 1215825), (75, 1086137), (87, 936325), (129, 631475), (145, 561795), (195, 417745), (201, 405275), (215, 378885), (325, 250647), (335, 243165), (377, 216075), (435, 187265), (559, 145725), (645, 126295), (725, 112359), (871, 93525), (975, 83549), (1005, 81055), (1075, 75777), (1131, 72025), (1247, 65325), (1675, 48633), (1677, 48575), (1885, 43215), (1943, 41925), (2175, 37453), (2613, 31175), (2795, 29145), (2881, 28275), (3225, 25259), (3741, 21775), (4355, 18705), (5025, 16211), (5655, 14405), (5829, 13975), (6235, 13065), (8385, 9715), (8643, 9425)]