281482240

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4229}}^1$

素因数の和:4267

約数の個数: 88

約数和(自身を含む): 727340040

約数和(自身を除く): 445857800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1024, 1040, 1280, 1664, 2080, 2560, 3328, 4160, 4229, 5120, 6656, 8320, 8458, 13312, 16640, 16916, 21145, 33280, 33832, 42290, 54977, 66560, 67664, 84580, 109954, 135328, 169160, 219908, 270656, 274885, 338320, 439816, 541312, 549770, 676640, 879632, 1082624, 1099540, 1353280, 1759264, 2165248, 2199080, 2706560, 3518528, 4330496, 4398160, 5413120, 7037056, 8796320, 10826240, 14074112, 17592640, 21652480, 28148224, 35185280, 56296448, 70370560, 140741120, 281482240]

約数ペア:

[(1, 281482240), (2, 140741120), (4, 70370560), (5, 56296448), (8, 35185280), (10, 28148224), (13, 21652480), (16, 17592640), (20, 14074112), (26, 10826240), (32, 8796320), (40, 7037056), (52, 5413120), (64, 4398160), (65, 4330496), (80, 3518528), (104, 2706560), (128, 2199080), (130, 2165248), (160, 1759264), (208, 1353280), (256, 1099540), (260, 1082624), (320, 879632), (416, 676640), (512, 549770), (520, 541312), (640, 439816), (832, 338320), (1024, 274885), (1040, 270656), (1280, 219908), (1664, 169160), (2080, 135328), (2560, 109954), (3328, 84580), (4160, 67664), (4229, 66560), (5120, 54977), (6656, 42290), (8320, 33832), (8458, 33280), (13312, 21145), (16640, 16916)]