123325920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{85643}}^1$

素因数の和:85664

約数の個数: 72

約数和(自身を含む): 420854616

約数和(自身を除く): 297528696

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 85643, 171286, 256929, 342572, 428215, 513858, 685144, 770787, 856430, 1027716, 1284645, 1370288, 1541574, 1712860, 2055432, 2569290, 2740576, 3083148, 3425720, 3853935, 4110864, 5138580, 6166296, 6851440, 7707870, 8221728, 10277160, 12332592, 13702880, 15415740, 20554320, 24665184, 30831480, 41108640, 61662960, 123325920]

約数ペア:

[(1, 123325920), (2, 61662960), (3, 41108640), (4, 30831480), (5, 24665184), (6, 20554320), (8, 15415740), (9, 13702880), (10, 12332592), (12, 10277160), (15, 8221728), (16, 7707870), (18, 6851440), (20, 6166296), (24, 5138580), (30, 4110864), (32, 3853935), (36, 3425720), (40, 3083148), (45, 2740576), (48, 2569290), (60, 2055432), (72, 1712860), (80, 1541574), (90, 1370288), (96, 1284645), (120, 1027716), (144, 856430), (160, 770787), (180, 685144), (240, 513858), (288, 428215), (360, 342572), (480, 256929), (720, 171286), (1440, 85643)]