81510366320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1011797}}^1$

素因数の和:1011882

約数の個数: 80

約数和(自身を含む): 203249982240

約数和(自身を除く): 121739615920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 53, 76, 80, 95, 106, 152, 190, 212, 265, 304, 380, 424, 530, 760, 848, 1007, 1060, 1520, 2014, 2120, 4028, 4240, 5035, 8056, 10070, 16112, 20140, 40280, 80560, 1011797, 2023594, 4047188, 5058985, 8094376, 10117970, 16188752, 19224143, 20235940, 38448286, 40471880, 53625241, 76896572, 80943760, 96120715, 107250482, 153793144, 192241430, 214500964, 268126205, 307586288, 384482860, 429001928, 536252410, 768965720, 858003856, 1018879579, 1072504820, 1537931440, 2037759158, 2145009640, 4075518316, 4290019280, 5094397895, 8151036632, 10188795790, 16302073264, 20377591580, 40755183160, 81510366320]

約数ペア:

[(1, 81510366320), (2, 40755183160), (4, 20377591580), (5, 16302073264), (8, 10188795790), (10, 8151036632), (16, 5094397895), (19, 4290019280), (20, 4075518316), (38, 2145009640), (40, 2037759158), (53, 1537931440), (76, 1072504820), (80, 1018879579), (95, 858003856), (106, 768965720), (152, 536252410), (190, 429001928), (212, 384482860), (265, 307586288), (304, 268126205), (380, 214500964), (424, 192241430), (530, 153793144), (760, 107250482), (848, 96120715), (1007, 80943760), (1060, 76896572), (1520, 53625241), (2014, 40471880), (2120, 38448286), (4028, 20235940), (4240, 19224143), (5035, 16188752), (8056, 10117970), (10070, 8094376), (16112, 5058985), (20140, 4047188), (40280, 2023594), (80560, 1011797)]