78185360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:273

約数の個数: 120

約数和(自身を含む): 205721208

約数和(自身を除く): 127535848

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 121, 164, 176, 197, 205, 220, 242, 328, 394, 410, 440, 451, 484, 605, 656, 788, 820, 880, 902, 968, 985, 1210, 1576, 1640, 1804, 1936, 1970, 2167, 2255, 2420, 3152, 3280, 3608, 3940, 4334, 4510, 4840, 4961, 7216, 7880, 8077, 8668, 9020, 9680, 9922, 10835, 15760, 16154, 17336, 18040, 19844, 21670, 23837, 24805, 32308, 34672, 36080, 39688, 40385, 43340, 47674, 49610, 64616, 79376, 80770, 86680, 88847, 95348, 99220, 119185, 129232, 161540, 173360, 177694, 190696, 198440, 238370, 323080, 355388, 381392, 396880, 444235, 476740, 646160, 710776, 888470, 953480, 977317, 1421552, 1776940, 1906960, 1954634, 3553880, 3909268, 4886585, 7107760, 7818536, 9773170, 15637072, 19546340, 39092680, 78185360]

約数ペア:

[(1, 78185360), (2, 39092680), (4, 19546340), (5, 15637072), (8, 9773170), (10, 7818536), (11, 7107760), (16, 4886585), (20, 3909268), (22, 3553880), (40, 1954634), (41, 1906960), (44, 1776940), (55, 1421552), (80, 977317), (82, 953480), (88, 888470), (110, 710776), (121, 646160), (164, 476740), (176, 444235), (197, 396880), (205, 381392), (220, 355388), (242, 323080), (328, 238370), (394, 198440), (410, 190696), (440, 177694), (451, 173360), (484, 161540), (605, 129232), (656, 119185), (788, 99220), (820, 95348), (880, 88847), (902, 86680), (968, 80770), (985, 79376), (1210, 64616), (1576, 49610), (1640, 47674), (1804, 43340), (1936, 40385), (1970, 39688), (2167, 36080), (2255, 34672), (2420, 32308), (3152, 24805), (3280, 23837), (3608, 21670), (3940, 19844), (4334, 18040), (4510, 17336), (4840, 16154), (4961, 15760), (7216, 10835), (7880, 9922), (8077, 9680), (8668, 9020)]