17888905960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{61339}}^1$

素因数の和:61690

約数の個数: 64

約数和(自身を含む): 42133219200

約数和(自身を除く): 24244313240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 317, 460, 634, 920, 1268, 1585, 2536, 3170, 6340, 7291, 12680, 14582, 29164, 36455, 58328, 61339, 72910, 122678, 145820, 245356, 291640, 306695, 490712, 613390, 1226780, 1410797, 2453560, 2821594, 5643188, 7053985, 11286376, 14107970, 19444463, 28215940, 38888926, 56431880, 77777852, 97222315, 155555704, 194444630, 388889260, 447222649, 777778520, 894445298, 1788890596, 2236113245, 3577781192, 4472226490, 8944452980, 17888905960]

約数ペア:

[(1, 17888905960), (2, 8944452980), (4, 4472226490), (5, 3577781192), (8, 2236113245), (10, 1788890596), (20, 894445298), (23, 777778520), (40, 447222649), (46, 388889260), (92, 194444630), (115, 155555704), (184, 97222315), (230, 77777852), (317, 56431880), (460, 38888926), (634, 28215940), (920, 19444463), (1268, 14107970), (1585, 11286376), (2536, 7053985), (3170, 5643188), (6340, 2821594), (7291, 2453560), (12680, 1410797), (14582, 1226780), (29164, 613390), (36455, 490712), (58328, 306695), (61339, 291640), (72910, 245356), (122678, 145820)]