13145720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{353}}^1$

素因数の和:397

約数の個数: 96

約数和(自身を含む): 36320400

約数和(自身を除く): 23174680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 95, 98, 133, 140, 152, 190, 196, 245, 266, 280, 353, 380, 392, 490, 532, 665, 706, 760, 931, 980, 1064, 1330, 1412, 1765, 1862, 1960, 2471, 2660, 2824, 3530, 3724, 4655, 4942, 5320, 6707, 7060, 7448, 9310, 9884, 12355, 13414, 14120, 17297, 18620, 19768, 24710, 26828, 33535, 34594, 37240, 46949, 49420, 53656, 67070, 69188, 86485, 93898, 98840, 134140, 138376, 172970, 187796, 234745, 268280, 328643, 345940, 375592, 469490, 657286, 691880, 938980, 1314572, 1643215, 1877960, 2629144, 3286430, 6572860, 13145720]

約数ペア:

[(1, 13145720), (2, 6572860), (4, 3286430), (5, 2629144), (7, 1877960), (8, 1643215), (10, 1314572), (14, 938980), (19, 691880), (20, 657286), (28, 469490), (35, 375592), (38, 345940), (40, 328643), (49, 268280), (56, 234745), (70, 187796), (76, 172970), (95, 138376), (98, 134140), (133, 98840), (140, 93898), (152, 86485), (190, 69188), (196, 67070), (245, 53656), (266, 49420), (280, 46949), (353, 37240), (380, 34594), (392, 33535), (490, 26828), (532, 24710), (665, 19768), (706, 18620), (760, 17297), (931, 14120), (980, 13414), (1064, 12355), (1330, 9884), (1412, 9310), (1765, 7448), (1862, 7060), (1960, 6707), (2471, 5320), (2660, 4942), (2824, 4655), (3530, 3724)]