1265798840

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{3719}}^1$

素因数の和:3924

約数の個数: 64

約数和(自身を含む): 2914099200

約数和(自身を除く): 1648300360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 127, 134, 254, 268, 335, 508, 536, 635, 670, 1016, 1270, 1340, 2540, 2680, 3719, 5080, 7438, 8509, 14876, 17018, 18595, 29752, 34036, 37190, 42545, 68072, 74380, 85090, 148760, 170180, 249173, 340360, 472313, 498346, 944626, 996692, 1245865, 1889252, 1993384, 2361565, 2491730, 3778504, 4723130, 4983460, 9446260, 9966920, 18892520, 31644971, 63289942, 126579884, 158224855, 253159768, 316449710, 632899420, 1265798840]

約数ペア:

[(1, 1265798840), (2, 632899420), (4, 316449710), (5, 253159768), (8, 158224855), (10, 126579884), (20, 63289942), (40, 31644971), (67, 18892520), (127, 9966920), (134, 9446260), (254, 4983460), (268, 4723130), (335, 3778504), (508, 2491730), (536, 2361565), (635, 1993384), (670, 1889252), (1016, 1245865), (1270, 996692), (1340, 944626), (2540, 498346), (2680, 472313), (3719, 340360), (5080, 249173), (7438, 170180), (8509, 148760), (14876, 85090), (17018, 74380), (18595, 68072), (29752, 42545), (34036, 37190)]