181345840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1373}}^1$

素因数の和:1526

約数の個数: 80

約数和(自身を含む): 457970688

約数和(自身を除く): 276624848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 254, 260, 508, 520, 635, 1016, 1040, 1270, 1373, 1651, 2032, 2540, 2746, 3302, 5080, 5492, 6604, 6865, 8255, 10160, 10984, 13208, 13730, 16510, 17849, 21968, 26416, 27460, 33020, 35698, 54920, 66040, 71396, 89245, 109840, 132080, 142792, 174371, 178490, 285584, 348742, 356980, 697484, 713960, 871855, 1394968, 1427920, 1743710, 2266823, 2789936, 3487420, 4533646, 6974840, 9067292, 11334115, 13949680, 18134584, 22668230, 36269168, 45336460, 90672920, 181345840]

約数ペア:

[(1, 181345840), (2, 90672920), (4, 45336460), (5, 36269168), (8, 22668230), (10, 18134584), (13, 13949680), (16, 11334115), (20, 9067292), (26, 6974840), (40, 4533646), (52, 3487420), (65, 2789936), (80, 2266823), (104, 1743710), (127, 1427920), (130, 1394968), (208, 871855), (254, 713960), (260, 697484), (508, 356980), (520, 348742), (635, 285584), (1016, 178490), (1040, 174371), (1270, 142792), (1373, 132080), (1651, 109840), (2032, 89245), (2540, 71396), (2746, 66040), (3302, 54920), (5080, 35698), (5492, 33020), (6604, 27460), (6865, 26416), (8255, 21968), (10160, 17849), (10984, 16510), (13208, 13730)]