256202325

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:388

約数の個数: 96

約数和(自身を含む): 506217600

約数和(自身を除く): 250015275

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 83, 85, 135, 153, 225, 249, 255, 269, 415, 425, 459, 675, 747, 765, 807, 1245, 1275, 1345, 1411, 2075, 2241, 2295, 2421, 3735, 3825, 4035, 4233, 4573, 6225, 6725, 7055, 7263, 11205, 11475, 12105, 12699, 13719, 18675, 20175, 21165, 22327, 22865, 35275, 36315, 38097, 41157, 56025, 60525, 63495, 66981, 68595, 105825, 111635, 114325, 123471, 181575, 190485, 200943, 205785, 317475, 334905, 342975, 379559, 558175, 602829, 617355, 952425, 1004715, 1028925, 1138677, 1674525, 1897795, 3014145, 3086775, 3416031, 5023575, 5693385, 9488975, 10248093, 15070725, 17080155, 28466925, 51240465, 85400775, 256202325]

約数ペア:

[(1, 256202325), (3, 85400775), (5, 51240465), (9, 28466925), (15, 17080155), (17, 15070725), (25, 10248093), (27, 9488975), (45, 5693385), (51, 5023575), (75, 3416031), (83, 3086775), (85, 3014145), (135, 1897795), (153, 1674525), (225, 1138677), (249, 1028925), (255, 1004715), (269, 952425), (415, 617355), (425, 602829), (459, 558175), (675, 379559), (747, 342975), (765, 334905), (807, 317475), (1245, 205785), (1275, 200943), (1345, 190485), (1411, 181575), (2075, 123471), (2241, 114325), (2295, 111635), (2421, 105825), (3735, 68595), (3825, 66981), (4035, 63495), (4233, 60525), (4573, 56025), (6225, 41157), (6725, 38097), (7055, 36315), (7263, 35275), (11205, 22865), (11475, 22327), (12105, 21165), (12699, 20175), (13719, 18675)]