1282880

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:247

約数の個数: 56

約数和(自身を含む): 3230880

約数和(自身を除く): 1948000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 211, 304, 320, 380, 422, 608, 760, 844, 1055, 1216, 1520, 1688, 2110, 3040, 3376, 4009, 4220, 6080, 6752, 8018, 8440, 13504, 16036, 16880, 20045, 32072, 33760, 40090, 64144, 67520, 80180, 128288, 160360, 256576, 320720, 641440, 1282880]

約数ペア:

[(1, 1282880), (2, 641440), (4, 320720), (5, 256576), (8, 160360), (10, 128288), (16, 80180), (19, 67520), (20, 64144), (32, 40090), (38, 33760), (40, 32072), (64, 20045), (76, 16880), (80, 16036), (95, 13504), (152, 8440), (160, 8018), (190, 6752), (211, 6080), (304, 4220), (320, 4009), (380, 3376), (422, 3040), (608, 2110), (760, 1688), (844, 1520), (1055, 1216)]