1288337560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{3539}}^1$

素因数の和:4048

約数の個数: 64

約数和(自身を含む): 3058560000

約数和(自身を除く): 1770222440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 479, 760, 958, 1916, 2395, 3539, 3832, 4790, 7078, 9101, 9580, 14156, 17695, 18202, 19160, 28312, 35390, 36404, 45505, 67241, 70780, 72808, 91010, 134482, 141560, 182020, 268964, 336205, 364040, 537928, 672410, 1344820, 1695181, 2689640, 3390362, 6780724, 8475905, 13561448, 16951810, 32208439, 33903620, 64416878, 67807240, 128833756, 161042195, 257667512, 322084390, 644168780, 1288337560]

約数ペア:

[(1, 1288337560), (2, 644168780), (4, 322084390), (5, 257667512), (8, 161042195), (10, 128833756), (19, 67807240), (20, 64416878), (38, 33903620), (40, 32208439), (76, 16951810), (95, 13561448), (152, 8475905), (190, 6780724), (380, 3390362), (479, 2689640), (760, 1695181), (958, 1344820), (1916, 672410), (2395, 537928), (3539, 364040), (3832, 336205), (4790, 268964), (7078, 182020), (9101, 141560), (9580, 134482), (14156, 91010), (17695, 72808), (18202, 70780), (19160, 67241), (28312, 45505), (35390, 36404)]