720992025

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{283}}^1$

素因数の和:392

約数の個数: 108

約数和(自身を含む): 1424240688

約数和(自身を除く): 703248663

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 67, 75, 117, 169, 195, 201, 225, 283, 325, 335, 507, 585, 603, 845, 849, 871, 975, 1005, 1415, 1521, 1675, 2535, 2547, 2613, 2925, 3015, 3679, 4225, 4245, 4355, 5025, 7075, 7605, 7839, 11037, 11323, 12675, 12735, 13065, 15075, 18395, 18961, 21225, 21775, 33111, 33969, 38025, 39195, 47827, 55185, 56615, 56883, 63675, 65325, 91975, 94805, 101907, 143481, 165555, 169845, 170649, 195975, 239135, 246493, 275925, 283075, 284415, 430443, 474025, 509535, 717405, 739479, 827775, 849225, 853245, 1195675, 1232465, 1422075, 2152215, 2218437, 2547675, 3204409, 3587025, 3697395, 4266225, 6162325, 9613227, 10761075, 11092185, 16022045, 18486975, 28839681, 48066135, 55460925, 80110225, 144198405, 240330675, 720992025]

約数ペア:

[(1, 720992025), (3, 240330675), (5, 144198405), (9, 80110225), (13, 55460925), (15, 48066135), (25, 28839681), (39, 18486975), (45, 16022045), (65, 11092185), (67, 10761075), (75, 9613227), (117, 6162325), (169, 4266225), (195, 3697395), (201, 3587025), (225, 3204409), (283, 2547675), (325, 2218437), (335, 2152215), (507, 1422075), (585, 1232465), (603, 1195675), (845, 853245), (849, 849225), (871, 827775), (975, 739479), (1005, 717405), (1415, 509535), (1521, 474025), (1675, 430443), (2535, 284415), (2547, 283075), (2613, 275925), (2925, 246493), (3015, 239135), (3679, 195975), (4225, 170649), (4245, 169845), (4355, 165555), (5025, 143481), (7075, 101907), (7605, 94805), (7839, 91975), (11037, 65325), (11323, 63675), (12675, 56883), (12735, 56615), (13065, 55185), (15075, 47827), (18395, 39195), (18961, 38025), (21225, 33969), (21775, 33111)]