256765968

素因数分解:

$2^4\times 3^2\times {\mathrm{331}}^1\times {\mathrm{5387}}^1$

素因数の和:5732

約数の個数: 60

約数和(自身を含む): 720892848

約数和(自身を除く): 464126880

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 331, 662, 993, 1324, 1986, 2648, 2979, 3972, 5296, 5387, 5958, 7944, 10774, 11916, 15888, 16161, 21548, 23832, 32322, 43096, 47664, 48483, 64644, 86192, 96966, 129288, 193932, 258576, 387864, 775728, 1783097, 3566194, 5349291, 7132388, 10698582, 14264776, 16047873, 21397164, 28529552, 32095746, 42794328, 64191492, 85588656, 128382984, 256765968]

約数ペア:

[(1, 256765968), (2, 128382984), (3, 85588656), (4, 64191492), (6, 42794328), (8, 32095746), (9, 28529552), (12, 21397164), (16, 16047873), (18, 14264776), (24, 10698582), (36, 7132388), (48, 5349291), (72, 3566194), (144, 1783097), (331, 775728), (662, 387864), (993, 258576), (1324, 193932), (1986, 129288), (2648, 96966), (2979, 86192), (3972, 64644), (5296, 48483), (5387, 47664), (5958, 43096), (7944, 32322), (10774, 23832), (11916, 21548), (15888, 16161)]