123493720

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{9001}}^1$

素因数の和:9033

約数の個数: 64

約数和(自身を含む): 324072000

約数和(自身を除く): 200578280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6860, 9001, 13720, 18002, 36004, 45005, 63007, 72008, 90010, 126014, 180020, 252028, 315035, 360040, 441049, 504056, 630070, 882098, 1260140, 1764196, 2205245, 2520280, 3087343, 3528392, 4410490, 6174686, 8820980, 12349372, 15436715, 17641960, 24698744, 30873430, 61746860, 123493720]

約数ペア:

[(1, 123493720), (2, 61746860), (4, 30873430), (5, 24698744), (7, 17641960), (8, 15436715), (10, 12349372), (14, 8820980), (20, 6174686), (28, 4410490), (35, 3528392), (40, 3087343), (49, 2520280), (56, 2205245), (70, 1764196), (98, 1260140), (140, 882098), (196, 630070), (245, 504056), (280, 441049), (343, 360040), (392, 315035), (490, 252028), (686, 180020), (980, 126014), (1372, 90010), (1715, 72008), (1960, 63007), (2744, 45005), (3430, 36004), (6860, 18002), (9001, 13720)]