128415888

素因数分解:

$2^4\times 3^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:314

約数の個数: 160

約数和(自身を含む): 391086080

約数和(自身を除く): 262670192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 43, 48, 54, 62, 72, 86, 93, 108, 124, 129, 144, 172, 186, 216, 223, 248, 258, 279, 344, 372, 387, 432, 446, 496, 516, 558, 669, 688, 744, 774, 837, 892, 1032, 1116, 1161, 1333, 1338, 1488, 1548, 1674, 1784, 2007, 2064, 2232, 2322, 2666, 2676, 3096, 3348, 3568, 3999, 4014, 4464, 4644, 5332, 5352, 6021, 6192, 6696, 6913, 7998, 8028, 9288, 9589, 10664, 10704, 11997, 12042, 13392, 13826, 15996, 16056, 18576, 19178, 20739, 21328, 23994, 24084, 27652, 28767, 31992, 32112, 35991, 38356, 41478, 47988, 48168, 55304, 57534, 62217, 63984, 71982, 76712, 82956, 86301, 95976, 96336, 110608, 115068, 124434, 143964, 153424, 165912, 172602, 186651, 191952, 230136, 248868, 258903, 287928, 297259, 331824, 345204, 373302, 460272, 497736, 517806, 575856, 594518, 690408, 746604, 891777, 995472, 1035612, 1189036, 1380816, 1493208, 1783554, 2071224, 2378072, 2675331, 2986416, 3567108, 4142448, 4756144, 5350662, 7134216, 8025993, 10701324, 14268432, 16051986, 21402648, 32103972, 42805296, 64207944, 128415888]

約数ペア:

[(1, 128415888), (2, 64207944), (3, 42805296), (4, 32103972), (6, 21402648), (8, 16051986), (9, 14268432), (12, 10701324), (16, 8025993), (18, 7134216), (24, 5350662), (27, 4756144), (31, 4142448), (36, 3567108), (43, 2986416), (48, 2675331), (54, 2378072), (62, 2071224), (72, 1783554), (86, 1493208), (93, 1380816), (108, 1189036), (124, 1035612), (129, 995472), (144, 891777), (172, 746604), (186, 690408), (216, 594518), (223, 575856), (248, 517806), (258, 497736), (279, 460272), (344, 373302), (372, 345204), (387, 331824), (432, 297259), (446, 287928), (496, 258903), (516, 248868), (558, 230136), (669, 191952), (688, 186651), (744, 172602), (774, 165912), (837, 153424), (892, 143964), (1032, 124434), (1116, 115068), (1161, 110608), (1333, 96336), (1338, 95976), (1488, 86301), (1548, 82956), (1674, 76712), (1784, 71982), (2007, 63984), (2064, 62217), (2232, 57534), (2322, 55304), (2666, 48168), (2676, 47988), (3096, 41478), (3348, 38356), (3568, 35991), (3999, 32112), (4014, 31992), (4464, 28767), (4644, 27652), (5332, 24084), (5352, 23994), (6021, 21328), (6192, 20739), (6696, 19178), (6913, 18576), (7998, 16056), (8028, 15996), (9288, 13826), (9589, 13392), (10664, 12042), (10704, 11997)]