255888640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{28559}}^1$

素因数の和:28587

約数の個数: 72

約数和(自身を含む): 700519680

約数和(自身を除く): 444631040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 28559, 57118, 114236, 142795, 199913, 228472, 285590, 399826, 456944, 571180, 799652, 913888, 999565, 1142360, 1599304, 1827776, 1999130, 2284720, 3198608, 3655552, 3998260, 4569440, 6397216, 7311104, 7996520, 9138880, 12794432, 15993040, 18277760, 25588864, 31986080, 36555520, 51177728, 63972160, 127944320, 255888640]

約数ペア:

[(1, 255888640), (2, 127944320), (4, 63972160), (5, 51177728), (7, 36555520), (8, 31986080), (10, 25588864), (14, 18277760), (16, 15993040), (20, 12794432), (28, 9138880), (32, 7996520), (35, 7311104), (40, 6397216), (56, 4569440), (64, 3998260), (70, 3655552), (80, 3198608), (112, 2284720), (128, 1999130), (140, 1827776), (160, 1599304), (224, 1142360), (256, 999565), (280, 913888), (320, 799652), (448, 571180), (560, 456944), (640, 399826), (896, 285590), (1120, 228472), (1280, 199913), (1792, 142795), (2240, 114236), (4480, 57118), (8960, 28559)]