257941440

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{89563}}^1$

素因数の和:89586

約数の個数: 84

約数和(自身を含む): 887220984

約数和(自身を除く): 629279544

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, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 89563, 179126, 268689, 358252, 447815, 537378, 716504, 806067, 895630, 1074756, 1343445, 1433008, 1612134, 1791260, 2149512, 2686890, 2866016, 3224268, 3582520, 4030335, 4299024, 5373780, 5732032, 6448536, 7165040, 8060670, 8598048, 10747560, 12897072, 14330080, 16121340, 17196096, 21495120, 25794144, 28660160, 32242680, 42990240, 51588288, 64485360, 85980480, 128970720, 257941440]

約数ペア:

[(1, 257941440), (2, 128970720), (3, 85980480), (4, 64485360), (5, 51588288), (6, 42990240), (8, 32242680), (9, 28660160), (10, 25794144), (12, 21495120), (15, 17196096), (16, 16121340), (18, 14330080), (20, 12897072), (24, 10747560), (30, 8598048), (32, 8060670), (36, 7165040), (40, 6448536), (45, 5732032), (48, 5373780), (60, 4299024), (64, 4030335), (72, 3582520), (80, 3224268), (90, 2866016), (96, 2686890), (120, 2149512), (144, 1791260), (160, 1612134), (180, 1433008), (192, 1343445), (240, 1074756), (288, 895630), (320, 806067), (360, 716504), (480, 537378), (576, 447815), (720, 358252), (960, 268689), (1440, 179126), (2880, 89563)]