16580025

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1$

素因数の和:77

約数の個数: 144

約数和(自身を含む): 39580800

約数和(自身を除く): 23000775

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 25, 27, 29, 33, 35, 45, 55, 63, 75, 77, 87, 99, 105, 121, 135, 145, 165, 175, 189, 203, 225, 231, 261, 275, 297, 315, 319, 363, 385, 435, 495, 525, 605, 609, 675, 693, 725, 783, 825, 847, 945, 957, 1015, 1089, 1155, 1305, 1485, 1575, 1595, 1815, 1827, 1925, 2079, 2175, 2233, 2475, 2541, 2871, 3025, 3045, 3267, 3465, 3509, 3915, 4235, 4725, 4785, 5075, 5445, 5481, 5775, 6525, 6699, 7425, 7623, 7975, 8613, 9075, 9135, 10395, 10527, 11165, 12705, 14355, 15225, 16335, 17325, 17545, 19575, 20097, 21175, 22869, 23925, 24563, 27225, 27405, 31581, 33495, 38115, 43065, 45675, 51975, 52635, 55825, 60291, 63525, 71775, 73689, 81675, 87725, 94743, 100485, 114345, 122815, 137025, 157905, 167475, 190575, 215325, 221067, 263175, 301455, 368445, 473715, 502425, 571725, 614075, 663201, 789525, 1105335, 1507275, 1842225, 2368575, 3316005, 5526675, 16580025]

約数ペア:

[(1, 16580025), (3, 5526675), (5, 3316005), (7, 2368575), (9, 1842225), (11, 1507275), (15, 1105335), (21, 789525), (25, 663201), (27, 614075), (29, 571725), (33, 502425), (35, 473715), (45, 368445), (55, 301455), (63, 263175), (75, 221067), (77, 215325), (87, 190575), (99, 167475), (105, 157905), (121, 137025), (135, 122815), (145, 114345), (165, 100485), (175, 94743), (189, 87725), (203, 81675), (225, 73689), (231, 71775), (261, 63525), (275, 60291), (297, 55825), (315, 52635), (319, 51975), (363, 45675), (385, 43065), (435, 38115), (495, 33495), (525, 31581), (605, 27405), (609, 27225), (675, 24563), (693, 23925), (725, 22869), (783, 21175), (825, 20097), (847, 19575), (945, 17545), (957, 17325), (1015, 16335), (1089, 15225), (1155, 14355), (1305, 12705), (1485, 11165), (1575, 10527), (1595, 10395), (1815, 9135), (1827, 9075), (1925, 8613), (2079, 7975), (2175, 7623), (2233, 7425), (2475, 6699), (2541, 6525), (2871, 5775), (3025, 5481), (3045, 5445), (3267, 5075), (3465, 4785), (3509, 4725), (3915, 4235)]