1620182008

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{8779}}^1$

素因数の和:8884

約数の個数: 64

約数和(自身を含む): 3413664000

約数和(自身を除く): 1793481992

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 59, 68, 92, 118, 136, 184, 236, 391, 472, 782, 1003, 1357, 1564, 2006, 2714, 3128, 4012, 5428, 8024, 8779, 10856, 17558, 23069, 35116, 46138, 70232, 92276, 149243, 184552, 201917, 298486, 403834, 517961, 596972, 807668, 1035922, 1193944, 1615336, 2071844, 3432589, 4143688, 6865178, 8805337, 11913103, 13730356, 17610674, 23826206, 27460712, 35221348, 47652412, 70442696, 95304824, 202522751, 405045502, 810091004, 1620182008]

約数ペア:

[(1, 1620182008), (2, 810091004), (4, 405045502), (8, 202522751), (17, 95304824), (23, 70442696), (34, 47652412), (46, 35221348), (59, 27460712), (68, 23826206), (92, 17610674), (118, 13730356), (136, 11913103), (184, 8805337), (236, 6865178), (391, 4143688), (472, 3432589), (782, 2071844), (1003, 1615336), (1357, 1193944), (1564, 1035922), (2006, 807668), (2714, 596972), (3128, 517961), (4012, 403834), (5428, 298486), (8024, 201917), (8779, 184552), (10856, 149243), (17558, 92276), (23069, 70232), (35116, 46138)]