321577280

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{233}}^1$

素因数の和:496

約数の個数: 112

約数和(自身を含む): 813084480

約数和(自身を除く): 491507200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 227, 233, 304, 320, 380, 454, 466, 608, 760, 908, 932, 1135, 1165, 1216, 1520, 1816, 1864, 2270, 2330, 3040, 3632, 3728, 4313, 4427, 4540, 4660, 6080, 7264, 7456, 8626, 8854, 9080, 9320, 14528, 14912, 17252, 17708, 18160, 18640, 21565, 22135, 34504, 35416, 36320, 37280, 43130, 44270, 52891, 69008, 70832, 72640, 74560, 86260, 88540, 105782, 138016, 141664, 172520, 177080, 211564, 264455, 276032, 283328, 345040, 354160, 423128, 528910, 690080, 708320, 846256, 1004929, 1057820, 1380160, 1416640, 1692512, 2009858, 2115640, 3385024, 4019716, 4231280, 5024645, 8039432, 8462560, 10049290, 16078864, 16925120, 20098580, 32157728, 40197160, 64315456, 80394320, 160788640, 321577280]

約数ペア:

[(1, 321577280), (2, 160788640), (4, 80394320), (5, 64315456), (8, 40197160), (10, 32157728), (16, 20098580), (19, 16925120), (20, 16078864), (32, 10049290), (38, 8462560), (40, 8039432), (64, 5024645), (76, 4231280), (80, 4019716), (95, 3385024), (152, 2115640), (160, 2009858), (190, 1692512), (227, 1416640), (233, 1380160), (304, 1057820), (320, 1004929), (380, 846256), (454, 708320), (466, 690080), (608, 528910), (760, 423128), (908, 354160), (932, 345040), (1135, 283328), (1165, 276032), (1216, 264455), (1520, 211564), (1816, 177080), (1864, 172520), (2270, 141664), (2330, 138016), (3040, 105782), (3632, 88540), (3728, 86260), (4313, 74560), (4427, 72640), (4540, 70832), (4660, 69008), (6080, 52891), (7264, 44270), (7456, 43130), (8626, 37280), (8854, 36320), (9080, 35416), (9320, 34504), (14528, 22135), (14912, 21565), (17252, 18640), (17708, 18160)]