255326080

素因数分解:

$2^7\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1789}}^1$

素因数の和:2031

約数の個数: 64

約数和(自身を含む): 613468800

約数和(自身を除く): 358142720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 223, 320, 446, 640, 892, 1115, 1784, 1789, 2230, 3568, 3578, 4460, 7136, 7156, 8920, 8945, 14272, 14312, 17840, 17890, 28544, 28624, 35680, 35780, 57248, 71360, 71560, 114496, 142720, 143120, 228992, 286240, 398947, 572480, 797894, 1144960, 1595788, 1994735, 3191576, 3989470, 6383152, 7978940, 12766304, 15957880, 25532608, 31915760, 51065216, 63831520, 127663040, 255326080]

約数ペア:

[(1, 255326080), (2, 127663040), (4, 63831520), (5, 51065216), (8, 31915760), (10, 25532608), (16, 15957880), (20, 12766304), (32, 7978940), (40, 6383152), (64, 3989470), (80, 3191576), (128, 1994735), (160, 1595788), (223, 1144960), (320, 797894), (446, 572480), (640, 398947), (892, 286240), (1115, 228992), (1784, 143120), (1789, 142720), (2230, 114496), (3568, 71560), (3578, 71360), (4460, 57248), (7136, 35780), (7156, 35680), (8920, 28624), (8945, 28544), (14272, 17890), (14312, 17840)]