68636360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6947}}^1$

素因数の和:6990

約数の個数: 64

約数和(自身を含む): 175089600

約数和(自身を除く): 106453240

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 6947, 9880, 13894, 27788, 34735, 55576, 69470, 90311, 131993, 138940, 180622, 263986, 277880, 361244, 451555, 527972, 659965, 722488, 903110, 1055944, 1319930, 1715909, 1806220, 2639860, 3431818, 3612440, 5279720, 6863636, 8579545, 13727272, 17159090, 34318180, 68636360]

約数ペア:

[(1, 68636360), (2, 34318180), (4, 17159090), (5, 13727272), (8, 8579545), (10, 6863636), (13, 5279720), (19, 3612440), (20, 3431818), (26, 2639860), (38, 1806220), (40, 1715909), (52, 1319930), (65, 1055944), (76, 903110), (95, 722488), (104, 659965), (130, 527972), (152, 451555), (190, 361244), (247, 277880), (260, 263986), (380, 180622), (494, 138940), (520, 131993), (760, 90311), (988, 69470), (1235, 55576), (1976, 34735), (2470, 27788), (4940, 13894), (6947, 9880)]