15651440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1471}}^1$

素因数の和:1510

約数の個数: 80

約数和(自身を含む): 43806720

約数和(自身を除く): 28155280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1471, 1520, 2128, 2660, 2942, 5320, 5884, 7355, 10297, 10640, 11768, 14710, 20594, 23536, 27949, 29420, 41188, 51485, 55898, 58840, 82376, 102970, 111796, 117680, 139745, 164752, 195643, 205940, 223592, 279490, 391286, 411880, 447184, 558980, 782572, 823760, 978215, 1117960, 1565144, 1956430, 2235920, 3130288, 3912860, 7825720, 15651440]

約数ペア:

[(1, 15651440), (2, 7825720), (4, 3912860), (5, 3130288), (7, 2235920), (8, 1956430), (10, 1565144), (14, 1117960), (16, 978215), (19, 823760), (20, 782572), (28, 558980), (35, 447184), (38, 411880), (40, 391286), (56, 279490), (70, 223592), (76, 205940), (80, 195643), (95, 164752), (112, 139745), (133, 117680), (140, 111796), (152, 102970), (190, 82376), (266, 58840), (280, 55898), (304, 51485), (380, 41188), (532, 29420), (560, 27949), (665, 23536), (760, 20594), (1064, 14710), (1330, 11768), (1471, 10640), (1520, 10297), (2128, 7355), (2660, 5884), (2942, 5320)]